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Isolator, Circulator& Adapter

Your Professional Isolator, Circulator& Adapter Supplier

 

Advanced Microwave Technology Co., Ltd dates back to 1990, is a famous brand microwave technical enterprise in China, serves widely the research institutions, universities, government, military and aerospace fields and has more than 30 years of experience in the microwave products. With the development of the market ,we are trying our best to explore the international market and making our cost-effectively products to be used all over the world. We can understand well the customer's need and can make various customized microwave products due to our strong advantage and experience particularly in the satellite communication microwave products.

Why Choose Us

Our Certifications

The company passed already ISO9001 quality certification system ,follows strictly quality control process, and the incoming material and delivery inspection are performed by the specialized quality control department.

 

Rich Experience

The company mainly consists of more than decades technical experts in the microwave communication and satellite communication industry and is the High-Tech enterprise engaging in the research and development, design and production of microwave products.

Main Products

Ka/Ku multiband feed system Ka/Ku Band 2port/4 Port TX/RX Circular Polarization Diplexer, Extended C band 2 Port /4 port Diplexer, Standard C band 2 Port /4 port Diplexer, DBS/ X band frequency diplexer, Ku/Ka band I/L type rotary joint, C band anti-5G interference filters and Microwave components, Microwave solution (especially in the satellite communication field)

High Quality

The company possesses comprehensive microwave test instruments, processing equipment with strong technical forces, advanced process, stable and reliable quality, timely supply , best cost -effective performance, perfect after-sales service, and enjoys high reputation by the customers both at home and abroad.

 

 

Isolator Specification

 

 

Frequency Range

17.7GHz~21.2GHz

VSWR

<1.2

Isolation

20 dB min

Insertion loss

≤0.25dB

Temperature

-45 ℃ -+75℃

Material

Aluminum Alloy

 

 

Isolator Parameters

 

 

Digital isolator parameters

Symbol

Definition

Channel-to-Channel Skew

​tPSK

Propagation delay time difference between channels in a multi-channel isolator

Common-Mode Transient Immunity

CMTI

Ability to remove fast fluctuations in common mode

Device Startup Time

t SU

Time from power ON to normal operation of isolation element

Input High, Low Thresholds

VIH, VIL

Voltage threshold that the input Hi or Low level must exceed

Input leakage current

IL

Parasitic leakage current flowing into pins on the input side

Input-Side Bias Current

IDDI

Bias current flowing in the circuit on the input side of the digital isolator

Jitter

​tjIT (pk)

Variation of pulse edge of data signal

Undervoltage Lockout
(UVLO)

UVLO

Bias level on VDD to enable/disable operation of the digital isolator

Maximum Data Rate

Dmax

Maximum signal speed of digital isolator (usually defined in Mbps)

Minimum Pulse Width

t(min)

Minimum signal pulse width that a digital isolator can detect

Output Impedance

Zout

Output impedance (usually measured in ohms)

Output Rise, Fall Times

tr, tf

Time for output to rise from 10% to 90% of VDD or fall from 90% to 10% of VDD

Output Voltage High, Low
output voltage

VOH, VOL

Output threshold level defining logic 1 and 0

Output-Side Bias Current
Output bias current

IDDI

Bias current flowing to the output side of the digital isolator

Propagation Delay
delay time

t PHL, t PLH

Propagation time from input event to output of digital isolator

Propagation Delay Skew
delay time skew

​tPSK (pp)

Difference between minimum and maximum propagation delays for isolators operating under identical conditions

Pulse Width Distortion

PWD

Difference between Hi to Low Propagation Delay and Low to Hi Propagation Delay

 

 

Circulator Specification

 

 

Operating Frequency

RX: 18.7-20.2GHz

TX:29-30GHz

VSWR

≤1.2

Axial Ratio

≤1.5

Insertion Loss

≤0.2dB

Operating temperature

-45℃~+75℃

 

 

Adapter Parameters

 

 

Parameter

Description

AllowDNSLookp

If a node in the SE database does not have an IP address but has a DNS name, it is possible to resolve the IP address by the DNS name.

True: If a node does not have an IP address, an attempt is made to resolve the IP address by DNS name (if a DNS name is available).

Default: False

IgnoreNodesWithoutIP

Defines whether or not nodes in SE without IP addresses should be pulled into UCMDB.

True. Nodes without IPs are ignored.

False. A Node CI is created with an SE ID as the node key attribute.

Note

Setting this parameter to False may result in duplicate CIs in the CMDB.

Default: True

IgnorePortsWithoutWWN

If set to true, the integration ignores Fiber Channel Ports that do not have a WWN.

Default: True

 

Advantages of Isolator
 

High isolation

The isolator provides greater than 30 dB isolation, effectively preventing any reflected signals from interfering with the signal path and ensuring clear, high-quality transmission.

 

Low insertion loss

With an insertion loss of less than 0.4 dB, the isolator ensures minimal signal attenuation, allowing for efficient signal transmission with minimal degradation.

 

Compact and durable design

Constructed from premium-grade aluminum and brass, our isolators are designed to offer both durability and lightweight functionality. The application of corrosion-resistant coatings guarantees that the isolators can endure severe environmental conditions, thereby ensuring extended operational longevity.

KU波段波导隔离器120W

 

KU波段波导隔离器

Wide temperature range

The isolator operates within an impressive temperature range of -40°C to +85°C, making it suitable for both indoor and outdoor installations in diverse climates.

 

High power handling

Designed to handle up to 50 W CW power, our WR42 Waveguide Isolators are capable of performing in high-power applications without compromising on performance.

 

Customizable mounting options

We offer customizable mounting configurations, including flange and clamp mounts, ensuring a perfect fit for your unique system setup.

 

Optimized for high-frequency systems

The WR42 Waveguide Isolator is tailored for 18 GHz to 26.5 GHz frequency systems, which are critical for satellite communication, radar, and scientific applications.

Application of Isolator

 

 

RF testing and Measurement: Isolators find extensive use in RF testing setups. Isolators are employed to prevent reflections and protect sensitive equipment from damage caused by high reflection coefficients.

 

Signal routing in radar systems: Integral in radar systems where they play a crucial role in signal routing. They enable the separation of transmitted and received signals, allowing radar systems to operate effectively. Transmit signals are directed towards the antenna while the received signals, containing valuable information, are efficiently routed to the receiver for analysis. This bidirectional flow control ensures optimal functionality and accuracy in radar operations.

 

Microwave systems and Telecommunications: Isolators are fundamental in microwave systems and telecommunications infrastructure. Isolators are used to prevent signal reflections in high-frequency applications, protecting equipment such as amplifiers and transmitters from damage.

 

Medical equipment and Magnetic resonance imaging (MRI): Isolators are crucial in medical equipment, particularly in MRI systems. They prevent reflected signals from reaching sensitive components like the MRI scanner, ensuring signal integrity and preventing damage. Circulators aid in directing RF signals within the system, optimizing signal flow and minimizing interference, thereby contributing to the accurate imaging and diagnosis capabilities of MRI machines.

 

Satellite communication systems: Isolators are vital components in satellite communication systems, ensuring signal integrity and efficiency in data transmission. Isolators protect amplifiers and other sensitive components from signal reflections, maintaining the quality of transmitted signals.

 

Types of Isolator

 

Containment isolators
These isolators are used specifically for handling hazardous materials or sensitive/potent pharmaceutical ingredients and infectious materials. Negative pressure systems are built into these isolators for an extra measure of protection and are generally employed in the pharmaceutical manufacturing industry. This is an ideal environment for HHP™ and VPHP systems that will inject and extract hydrogen peroxide while delivering a validatable 6-log cycle into these closed-loop isolators.

 
 

Aseptic isolators
These isolators play a pivotal role in maintaining aseptic conditions when working with highly sensitive agents. Specialized HEPA filters are installed in the isolator to prevent the entry of contaminants. Aseptic isolators are used when formulating Total Parental Nutrition (TPN) and other sterile pharmacological mixtures. In the biotechnology industry, they are used when completing gene and cell therapy and tissue engineering. Sterility testing can also be completed using this equipment.

 
 

Flexible film isolators
Flexible fflexible film soft sided isolator decontaminationilm isolators are routinely used to protect staff from infectious materials, pathogens, and blood. They are also used in the breading of germ-free mice for research. Their less expensive price tag has made them more popular in recent years and can be found in both positive and negative pressure designs. They are used in a variety of fields including pharmaceutical manufacturing, gnotobiotic, healthcare, and animal research.

 
 

Rigid isolators
Rigid isolators are used when dealing with chemicals that are cytotoxic or have higher hazard risks. They are also used in the manufacturing and research of pathogens. They tend to be more expensive because they are made of stainless steel. Negative and positive pressure options are Image of a Rigid Isolatorusually available for these isolators. The gaseous biocontamination alternatives include HHP™ and VPHP, both of which provide closed-system injection (Grinstead, et. al).

 
 

Transfer isolators
These isolators help prevent dangerous or sensitive materials from escaping during the transfer from one isolator to another by providing a barrier between the two. Traditional methods of biocontamination are peracetic acid or formaldehyde, both of which can take days to employ or clean up.

 
Advantages of Circulator

High Isolation

The circulators provide more than 30 dB isolation, ensuring that any reflected signals do not interfere with the system's forward transmission path.


Low Insertion Loss

With insertion loss below 0.4 dB, our circulators ensure that signal integrity is maintained, and power loss is kept to a minimum.


High Power Handling

Capable of handling up to 100 W (CW), Seacom's Ka Band Circulators can support high-power transmission systems, making them suitable for demanding applications.


Robust Design

Fabricated from aluminum or stainless steel, the circulators are engineered for durability and corrosion resistance, rendering them appropriate for utilization in diverse settings, including outdoor and aerospace applications.

Temperature Tolerance

The circulators operate effectively in extreme temperatures ranging from -40°C to +85°C, ensuring reliable performance in both commercial and military environments.

Customization Options

We offer OEM and ODM customization services, allowing you to tailor the circulators to your system's exact needs, from frequency range to mounting configurations.

Compact and Lightweight

The compact and lightweight design of the circulators ensures easy integration into your system without adding unnecessary bulk.

 

Application of Circulator

Duplexer

Duplexer is a device that uses a single antenna to transmit and receive a signal. The issue is that a single antenna can't provide enough isolation which can result in the mixing of signals. Therefore, we use a circulator to put the transmitter at the input port and the receiver at the isolated port to ensure proper isolation.

 

Isolator

The circulator can be an isolator since it can isolate ports. When one port of all three ports of a circulator is terminated in a matched load, a signal can travel in only one direction between the remaining ports. This is the exact function of an isolator.

 

Reflection amplifier

The circulator ensures reflection amplification by controlling the direction of the receiving signal. The circulator ensures that the reflected signal is directed towards the receiver, thereby ensuring minimum signal attenuation.

 

Radar systems

The circulator is primarily used for signal processing in radar systems. It ensures that the transmitted signal is directed toward the antenna to ensure minimal loss and does the same when any reflected signal is received.

 

Signal reception

Another common application is the integration of circulators in various devices to ensure proper signal reception. The signals received by antennae of certain devices can be weak due to scattering through the medium therefore, a circulator is used for amplifying the received signal.

Characteristics of Circulator
 
 

Insertion loss

This Parameter represents how much signal power is lost when the circulator is inserted into a transmission line or circuit and it is measured in decibels (dB). In an ideal circulator insertion loss is zero meaning all the signal power entering one port exits through the desired output port without attenuation. However, in reality, there's always some loss due to factors like imperfect coupling between ports, material absorption, and impedance mismatches. A low insertion loss is typically less than 1 dB and is desirable because it minimizes signal degradation and ensures efficient transmission of signals through the circulator.

 
 
 

Isolation

It refers as the ability of the circulator to isolate one port from the other ports and it is also measured in decibles.High isolation between ports is important for preventing interference and maintaining signal integrity in multi-port systems. Isolation is achieved through the circulator's internal design, such as the use of ferrite materials and magnetic fields to direct signals along specific paths. Isolation typically ranges from 20 dB to 50 dB or more depending on the circulator's design and application requirements.

 
 
 

VSWR (Voltage Standing Wave Ratio)

It can be defined as how well a load is matched to a transmission line. It quantifies the amount of reflected power due to impedance mismatches between the circulator and the connected components or transmission lines.VSWR is a unitless ratio that is represented as a number greater than 1. A VSWR of 1 indicates perfect impedance matching that means that all the power is transmitted into the load without any reflection. A VSWR greater than 1 indicates a portion of the power is reflected back. A VSWR less than 1.5 is considered good which indicates low reflection and efficient power transfer.

 

Types of Circulator

 

 

Ferrite circulators
These circulators are frequently used as a duplexer, and the working of this can be contrasted with a rotating door including three entrances & one compulsory turning sense. This revolving can depend on the communication of the electromagnetic signal by magnetized ferrite.
This signal enters through one particular entry to follow the fixed rotating sense & leaves the circulator through the next door. The transmitter energy turns in an anticlockwise direction toward the antenna port. Almost all circulators are used in radar applications include ferrite.

 

Non-ferrite circulators
Non-ferrite circulators are energetic circulators and thus need extra power. The main disadvantage of circulators is based on transistors, limitation of power as well as the degradation of the signal to noise (S/N). The main solution for this drawback is varactors.

 

Coaxial circulator
Coaxial Circulator is similar to any other circulator except that it is a 3 port device that is used to direct the incoming signal in a particular direction. It only generates the signal at the output port and completely isolates the other port. Coaxial ports are designed for low-power applications and are used in fields of communications, testing, measurement, and scientific research.

 

Self-biased junction circulator
As the name suggests, Self-biased junction Circulators have a self-biased Y-junction which drives the circulator. The one property that differentiates this circulator from other circulators is that it uses the high anisotropy magnetic field in hexagonal ferrites, this eliminates the need for biasing magnets used for using the circulator. These circulators are generally small in size and generally light since they don't have biasing magnets like other circulators.

 

Microstrip circulator
Microstrip Circulator works similarly to any circulator by directing the input signal in a particular direction. These signals are generally microwave signals that flow circularly. The design of the Microstrip Circulator is different from other circulators since it consists of a thin ferrite substrate with metallic deposited over it. This design enhances the overall performance of the circulator.

 

Advantages of Adapter

 

Compatibility improvement

The main function of the adapter is to collaborate classes with different interfaces, thereby improving the overall compatibility of the system. When there are multiple modules or components in the system with inconsistent interfaces, adapters can seamlessly integrate them through adaptation, reducing the coupling of the system.

 

Reuse existing code

The adapter pattern can help us reuse existing code without the need for large-scale modifications. When we introduce new components or libraries, through adapters, we can integrate them into the system without breaking the original code structure.

 

System scalability

The introduction of adapters makes the system more scalable. When new features or components need to be added, they can be integrated with existing systems through adapter mode without modifying existing code. This helps with the flexibility and maintainability of the system.

 

Reducing development costs

The adapter pattern helps to reduce overall development costs. Through adapters, we can introduce new components without redesigning and implementing existing ones, reducing development cycles and labor costs.

 

Improving code readability

The adapter mode makes the code clearer and easier to read. By introducing adapters, we can separate different interface logic, making the code more understandable and maintainable. This helps team members to better understand and collaborate on development.

 

Addressing dependency issues

When there are dependencies on specific interfaces in the system, the adapter pattern can be used to address these dependency issues. Adapters act as a bridge, connecting different interfaces to enable previously incompatible components to work together.

 

Improving system stability

The adapter mode helps to improve system stability. Through adapters, we can more easily adapt to changes in external components without worrying about their impact on the system. The adapter acts as a protective layer to prevent changes from spreading to other parts of the system.

 

Application of Adapter

Travel and International use

In international travel, adapters are often used. Electronic devices designed for one region may not work in another due to differences in plug types and voltage standards. It is possible to use travel adapters, including plug converters and voltage converters, regardless of the type of electrical standards in the country where you are traveling. Whenever you travel abroad, you will need these adapters to charge your smartphone, laptop, and other portable devices.

Consumer electronics

With adapters, various peripherals and devices with various connectors can be used with consumer electronics. Here are some examples:
• Power adapters: Provide the DC power necessary for laptops, phones, and gaming consoles to run on household AC power.
• USB adapters: Connect USB devices with ports that they weren't designed for (e.g., USB-C to USB-A) and enable them to use other USB standards.
• Audio/Video adapters: Newer technology can be used with older devices. Modern computers can interact with older monitors and projectors by using HDMI to VGA adapters, for example.

Networking and Communication

It is imperative to install and maintain network adapters in various types of environments in order to establish and maintain internet connections.
• Ethernet adapters: These devices connect to wired networks even if they don't have built-in Ethernet ports.
• Wi-Fi adapters: Providing access to Wi-Fi networks for desktops and other devices that aren't wireless.
• Bluetooth adapters: Keyboards, mice, and headphones with Bluetooth can be connected to devices without built-in Bluetooth.

Data transfer and Synchronization

Devices and standards can be synchronized and transferred with the help of adapters:
• Card Rreaders: The converter converts data from a wide range of memory cards (e.g., SD, microSD) to USB-readable formats.
• USB-to-Ethernet adapters: Allows devices with limited ports and ultra-thin laptops to transfer data and connect to the Internet via USB ports.
• Serial adapters: The serial port interface allows modern computers to communicate with legacy systems, allowing older equipment to be used without interruption.

Industrial and Medical applications

The interoperability and functionality of critical equipment is ensured by specialized adapters in industrial and medical applications:
• Medical adapters: Ensure the reliable operation of diagnostic tools, monitoring systems, and power supply by connecting medical devices to computers.
• Industrial adapters: Ensure smooth operation of machinery and control systems by interconnecting sensors, actuators, and network protocols.

Home entertainment systems

Audio and video adapters allow different components of home entertainment systems to work together:
• HDMI adapters: TVs and projectors with different input standards can be connected to gaming consoles, Blu-ray players, and streaming devices.
• Audio adapters: For connecting professional audio equipment to 3.5mm headphones, convert them to 1/4 inch plugs.

 

Key Features of the Adapter

Compatibility
Different devices and systems require adapters to function properly. Depending on the plug type, voltage requirement, or data interface, they allow devices to communicate seamlessly with one another. Newer USB-C devices can connect with older USB-A peripherals using USB-C to USB-A adapters, for instance.

 

Versatility
There is a wide range of adapters available, many of which offer multi-format support or support multiple standards within a single device. A universal travel adapter can be used in a variety of countries because many of them offer multiple plug configurations. The same is true for adapters with multiple ports (HDMI, USB, Ethernet).

 

Portability
It is easy to carry and operate adapters when they are compact and lightweight. Travelers need that flexibility because they need to charge their devices in different regions with different types and voltages of power outlets. Despite their small size, they can be used in a variety of settings, including in the home and in the office.

 

Durability
Adapters with quality materials and a durable design are constructed to withstand physical stress and frequent use. The connectors are reinforced, the casings are durable, and the internal components are high-quality, which ensures durability and reliability.

 

Safety
For power adapters to be safe, they must meet international safety standards. Both the adapter and the connected devices are protected from overvoltages, short-circuits, and thermal shutdown. There are also some adapters with safety-related certifications (e.g., UL and CE) to guarantee compliance.

 

Efficiency
A power adapter or converter's efficiency is particularly important. Energy-efficient adapters reduce heat generation and reduce energy losses during conversion. Additionally, this prevents unnecessary energy waste while providing devices with the power they need.

 

Ease of use
In general, adapters are user-friendly, requiring no further configuration or setup. Using this method is fast and effortless, so users do not have to worry about technical difficulties when connecting their devices.

 

Advanced functionality
The advanced features of some modern adapters enhance their utility. With smart charging adapters, powered devices can be charged according to their charging requirements, for instance. It is possible to transfer and synchronize data using certain data adapters. Signal boosters and dual-band connectivity might be included in network adapters to improve wireless performance.

 

Flexibility
Users can connect multiple devices or standards simultaneously with many adapters due to their wide range of connectivity options. A single audio output may be split into multiple outputs for use with different audio systems or a 3.5mm jack into a 1/4 inch jack, for example, using an audio adapter. A video adapter allows HDMI, VGA, DVI, and DisplayPort connections to be made between displays and projectors.

Our Customization Process
1

Select A Project

Please choose the product you need based on the existing products

2

Project Analysis

We will analyze your needs based on the product you have chosen and provide you with a suitable proposal

3

Deliver Sample

After you confirm the product, we will deliver the sample to you as soon as possible

4

Order Confirmation

We have a formal and detailed order format

FAQ

Q: What is the function of an isolator?

A: An isolator is a device used for isolating a circuit or equipment from a source of power. An isolator is a mechanical switching device that, in the open position, allows for isolation of the input and output of a device.

Q: What do you need isolator for?

A: Isolators are widely used to protect against accidental usage. They have a locking system or lock on the external that prevents accidental usage. These are commonly used in high-voltage devices like transformers. Isolators are used to cut out a portion of a circuit in a substation when a fault occurs in it.

Q: Why do we need isolators?

A: Function. An isolator function when there is no power flow within the circuit. Its significant function is to specifically isolates the part of the electrical equipment or system with faulty conditions and makes the entire electrical device safe for repair.

Q: What service can you provide ?

A: We have customized service and after-sale service.We can produce according to your requirments.We will give your refund or replacement if there is quality problem about our products.

Q: When should an isolator be operated?

A: An isolator is not the same as a switch. It should only be opened when not carrying current, and has the purpose of ensuring that a circuit cannot become live whilst it is out of service for maintenance or cleaning.

Q: Why use isolator instead of switch?

A: First, it helps protect your device from voltage fluctuations. Second, it allows you to easily isolate the device from power, which is helpful when you need a repair or replacement. Third, it can help improve the safety of devices by preventing accidental electric shocks.

Q: What are the three types of isolators?

A: It is also called disconnector or disconnecting switch. There are different types of isolators used for different applications. They are: single break, double break, bus isolator, and line isolator. The isolator will be a horizontal double break central rotating type with an earth switch.

Q: What is adapter functionality?

A: Adapters (sometimes called dongles) allow connecting a peripheral device with one plug to a different jack on the computer. They are often used to connect modern devices to a legacy port on an old system, or legacy devices to a modern port. Such adapters may be entirely passive, or contain active circuitry.

Q: How can you guarantee your products quality ? And the warranty time ?

A: We have QC department who is responsible for each point quality from raw material to finished products.Our warranty time is 3 years.

Q: What do you need an adapter for?

A: Electrical plug adapters are usually required when you travel abroad. Adapters enable your appliances to be plugged into any type of electrical outlet around the world by changing the pin configuration of your voltage power plug.

Q: What is your MOQ ?

A: Our MOQ is 100 Pieces.

Q: Why do we need adapters?

A: The power adapter serves the purpose of converting AC voltage to a single DC voltage for your computer. It operates as an external battery for your computer so that the computer's size does not need to be so large. A computer uses many different DC voltages.

Q: What are the advantages of circulator?

A: Circulator provides the necessary isolation of ports. A 3-port isolator consists of an input port, an output port, and an isolated port which is useful in many applications.

Q: How do I know if my circulator is working?

A: No heating whatsoever means the pump is either without power or the motor or circuitry has failed. Check the power supply and ensure the circuit is receiving power. A circulator pump not turning on usually means the unit needs to be replaced.

Q: What are the components of a circulator?

A: The geometry of a stripline junction circulator comprises two ferrite disks or triangles separated by a stripline center conductor and sandwiched between two parallel ground planes. A stripline circulator is essentially a stripline center conductor sandwich on ferrite, between ground planes.

Q: How many ports can a circulator have?

A: The transmission of a signal between two ports does not depend on the direction of propagation. A circulator is a passive, non-reciprocal device, usually with three or four ports. Once a signal enters one port, it is transmitted to the next port following a prescribed path.

Q: How long do circulators last?

A: Generally, a well-maintained circulator pump can last about 10-15 years. However, this lifespan can vary depending on several factors, including the quality of the pump, the conditions under which it operates, and how well it is maintained.

Q: What is your payment terms ?

A: 1)30%T/T in advance, 70%balance paid before delivery.

2)100% irrevocable LC at sight.

3)EXW price& cash price are also accepable.

4)Other payment terms can be negotiated between both sides.

Q: What does adapter app do?

A: Combine an FFmpeg powered back-end with VLC rendered previews, then add in file size estimation, a gorgeous user interface and make it entirely free. That is Adapter - the ultimate converter app for Mac and PC.

Q: What are adapter settings?

A: The network adapter settings in Windows are used for setting speed, duplex, and quality of service parameters. In this video, you'll learn how to configure these settings and enable or disable your network adapter from your computer's BIOS.

We're professional isolator, circulator& adapter manufacturers and suppliers in China, featured by quality products and good price. Please rest assured to buy customized isolator, circulator& adapter made in China here from our factory.

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