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Variable RF Attenuator

 

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  • High Spur Free Dynamic Range RF Photonic Links allow MIL SATCOM and RF Distribution Networks to Leverage Optical Communication Infrastructure (.pdf)
    that in. Frequency Reference, RF Redundant. the event that a system health fault occurs,. The technological maturation and commer-. Switches, Monitoring & Control (M&C),. and system redundancy has been compro-. cialization of RF Photonics have yielded a. Data Links, Variable Attenuators, and. mised, the system
  • Mixed Mode Silicon-on-Insulator MMIC Technology For Digitally Controlled RF/Microwave Systems (.pdf)
    Mode SOI. SIP / SOC. RF Port Input Power (dBm). Figure 5. Double balanced mixer Pin vs Pout Figure 6. Mixmode integration savings. Figures 7, 8. Using SOI, a digital interface and mixed mode layout is currently under development. for a 5 bit variable attenuator for applications up to 3GHz. + 2.4
  • GaAs FETs as Control Devices
    . APN2015. Gallium arsenide MESFETs are being used in RF control. -5 V. device applications as switches and attenuators. They are. 5 k. Gate. very easily adapted to monolithic circuit form, dissipate. Source. Drain. essentially no power and can easily be designed into. broadband circuits. N. The RF signal
  • Skyworks De-embedded Scattering Parameters
    . variable phase shifters, etc., have separate bias and/or power. supply terminals which are connected to non-RF traces. Many. of these products require DC blocking capacitors or other bias. components on their RF ports during operation. Therefore, these. components are designed
  • AN3001: PIN Diode Vector Modulators
    Modulator Operation. a magnitude of 1.414 (square root of 2) at an. angle of 45°. The block diagram for the vector modulator is given. in Figure 1. The vector modulator consists of four. elements: an input quadrature hybrid, two voltage. Definition of RF Parameters. variable attenuators (four-port
  • Agilent: Automotive Electronic Functional Test Using Agilent System Components
    There are many types of electronic modules in automobiles today and new ones are springing up rapidly. In many cases, low frequency modules (i.e., ones without RF capabilities) can all be tested using a single system component architecture. This application note describes how best to use Agilent
  • PIN Diode Basics
    A PIN diode is essentially a variable resistor. To determine the value. of this resistance, consider a volume comparable to a typical PIN. diode chip, say 20 mil diameter and 2 mils thick. This chip has a. DC resistance of about 0.75 M O. Note: 1 mil = 0.001 inches. In real diodes
  • A New Breed of VXIbus Microwave Signal Generator Architecture (.pdf)
    a single time base (frequency reference) in such a way that the ratio of the output to the reference fre¬quency is a rational fraction. Frequency synthesizers are essential to Test and Measurement (T&M) applications where flexible stimulus sources are required to produce variable or programmed fre¬quency

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