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Engineering Reference Materials for RF Schematics
  • RF Switching

    The primary reasons for using vacuum relays in RF applications are their exceptional insulating qualities and their low RF contact resistance-as low as .03 ohms at 30 MHz. This low RF resistance remains stable throughout the service life of the relay because of the advantages provided by the vacuum

  • RF Related Conversions

    , the resistance of 50 used above reflects that RF systems are matched to 50W. Since RF systems use decibels referenced from 1 mW, the corresponding voltage increase for every 1 mW power increase can be calculated with another form of Ohm's law:. A.H. Systems - RF Related Conversions. 9710 Cozycroft Ave

  • Evaluation of RF Testing

    Transmission Line and Antenna Testing has become a common test of RF network integrity over the past few years. This relatively new testing methodology is a result of new test equipment evolutions and the need to fully understand the integrity of RF networks after installation. While common today

  • RF Probe Calibration

    Introduction: The calibration of RF Field. Probes is a complex process. Characterization is. a more correct term to use than calibration. The. probe must be properly characterized to reflect. how the end user uses his/her probe in their. measurement program. Differences as much as. +/- 6dB can

  • RF Measurement Techniques

    The RF and microwave characteristics commonly used to define the performance of components are typically measured using a vector network analyzer. Since the packages of devices manufactured by Barry Industries, Inc. typically do not have coaxial connectors, the issue of the most appropriate

  • Discrete RF Semiconductors: Alive and Well

    Commercial RF/microwave integrated circuits (RFICs) were establishing a credible toehold. at the time, to the extent that the prevailing conventional wisdom held that discrete. RF semiconductors were on a sure, quick path to obsolescence. My gut reaction told. me that my new assignment had placed

Discussions about RF Schematics
  • Re: Commercial Radio Station Being Picked Up On 447.2375 MHz

    Joshi, perhaps you can explain to us how you would tell the difference between the feed and the broadcast signal, especially since they are identical except for the carrier frequency, power level and a few microseconds of delay as the signal is amped up to broadcast levels. And let's rule out...

  • Re: Surge Arrester

    What kind of transmitter? RF, hardwired, bit rate, signal frequency. Ya think the signal edge has been affected? How? Did you use any test equipment to measure the effects. Can you show a schematic diagram of the transmitter, and receiver circuits. What type of surge arrester, silicon, RTV. What is...

  • Re: RC car circuit

    When your car turns either way, the two motors have an oposite polarity to one another. Find the transistor outputs from the RF decoder that control the motors and XORthem; use the gate output to control a PWM before the DC BUS (e.g. 1=30%, 0=100%). You'll need basic skills in electronics.

  • Re: Wireless remote level control

    How about a laser pointer aimed at a sensor (since you have a clear line of sight)? It potentially could be a lot cheaper than an RF system. If interested, I'll whip out a schematic . . .

  • Re: Sine-wave Light Dimmer

    cnpower I too have an interest in a sine wave controller which would reduce or eliminate RF harmonic interference and hash. May I also have a copy of the circuit schematic you mention? Lonnie...

  • Re: Crystal oscillator problem

    Bread boarding HF is difficult. Typically you can use blank copper clad PC board as a ground plane and then apply or glue strips or pieces of the same PCB to solder components to. We did this type of bread boarding with a lot of RF stuff. We simulate everything in LTSpice (its free from Linear Tech...

News about RF Schematics
  • Senior and Principal RF / Microwave Engineer - Bedford

    Senior and Principal RF / Microwave Engineer – Bedford / £30 - 50K An outstanding opportunity has arisen in Bedford for an RF Engineer or Microwave Engineer to join a global defence company specialising in counter surveillance and RF sensing systems. The successful candidate will have experience in Microwave Systems, discrete design and component selection for High Frequency PCB''s including DFM consideration. Responsibilities will include: - RF Design / Microwave Design - RF Testing - PCB Layout Required Skills: - Degree qualified - Knowledge of RF / Microwave Principals - Experience in Microwave systems and subsystems Desired Skills: - Microwave PA ...

  • RF Engineer

    Senior RF Engineer – South Coast / £30 - 50K An outstanding opportunity has arisen on the South Coast for an RF Engineer to join a global defence company specialising in counter surveillance and RF sensing systems. The successful candidate will have experience in Low Power RF Systems, discrete design and component selection for RF PCB''s including DFM consideration. Responsibilities will include: - RF Design < 5 GHz - RF Testing - PCB Layout Required Skills: - Degree qualified - Knowledge of RF Principals - Experience in RF systems and subsystems Desired Skills: - RF Transceiver Design - Microwave Test (Debug, ...

  • RF Design Engineer - LTE

    RF Design Engineer - LTE - Weybridge - Base Stations - Micro cells An amazing opportunity has been announced for a Senior RF Design Engineer to join a fast paced and well funded start-up based in Weybridge. The team are developing LTE telecommunications communications base stations and Microcells. This is targeted at an experienced RF Design Engineer who has a minimum of 4 years working with base station RF design, ideally with small cell systems. Required Skills: - RF Design - LTE - Base station background Desired Skills: - Low power Base stations - High volume Manufacturing For more information or ...

  • Zuken Launches Entry-level PCB Design Bundle for $999

    WESTFORD, Mass.--(BUSINESS WIRE)--Zuken has launched an entry-level schematic and PCB design bundle as part of the CADSTAR family of products. CADSTAR Essential is a complete schematic and PCB design tool suite that allows PCB designers and engineers to download software, learn the basics and start designing as quickly as possible. Priced at $999, CADSTAR Essential offers a single design environment with a common GUI for core PCB design activities such as schematics, library creation, routing a

  • Now You Can Outsource PTC-Related Drawing Changes with Locomotive Schematic Update Service from ZTR

    MINNEAPOLIS--(BUSINESS WIRE)--Now you can outsource PTC-related drawing changes with Locomotive Schematic Update Service from ZTR.

Product Announcements for RF Schematics
Carlisle Interconnect Technologies
RF Connectors

Carlisle Interconnect Technologies is your reliable resource for high-performance RF/microwave connectors designed for military/aerospace, instrumentation and wireless infrastructure markets. Vertical integration and extensive manufacturing capabilities ensure that quality, always the primary consideration and on-time delivery are never compromised. Carlisle IT provides in-process testing to measure characteristic impedance, capacitance, dielectric withstanding voltage and time delay mismatch...

Triad Magnetics
Custom RF Transformers

Triad Magnetics manufactures custom RF transformers to match your specifications including designs for LAN, ISDN, xDSL, VOIP and other data applications.

inTEST Thermal Solutions
Chamber for RF Testing

Characterizing RF Components at Temperature: Application Spotlight. This  polycarbonate chamber is designed  for -25 to +75 °C temperature characterization of RF (Wifi, Bluetooth) components with minimal signal attenuation. The hood-style RF chamber uses a portable ThermoStream air forcing system as the temperature source for rapid (up to 18 °C/sec) and accurate thermal cycling.    . View other ThermoStream Applications.