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RF Step Attenuator

 

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  • Intermodulation Distortion in Programmable Attenuators
    . Intermodulation Distortion in Programmable Attenuators.... Weinschel has been a major supplier of However, their slow switch speed, in the order of millisec-. programmable attenuators to the RF industry for over. onds, and short switch life in the order of 5-10 million cycles. 30 years. Historically
  • Tackling Multi-Bit Attenuator Designs
    Designing an accurate digital step attenuator (DSA) with outstanding RF/microwave performance requires careful attention to detail and knowledge of semiconductor process variables.
  • A Flexible Family of PXI RF/MW Downconverter Modules (.pdf)
    . 1KHz offset from the LO carrier signal is > -90 dBc. These with a single RF input port. The module contains a 70 dB (10. signal attributes are especially critical in surveillance and dB/step) attenuator; this module attribute facilitates a. threat monitoring/simulation test and measurement dynamic
  • 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
  • Microwave or RF Amplifier Test Setup (.pdf)
    , a Pad or Step Attenuator may be used to reduce. maximum power from the amplifier to less than + 20 dBm. The output power may also be routed from. the Power Meter to the input of a computer via an IEEE-488 interface or an RS-232C Serial Port. ยท Any anomalies of the swept power input or power output over
  • Building a Microwave Frequency Synthesizer-Part 3: From Sketch to Product (.pdf)
    . preferably placed after the RF ampli-. 20. High Frequency Electronics. High Frequency Design. SYNTHESIZER DESIGN. also reduce the device lifetime. Putting a small fixed attenuator. between the VCO and amplifier. allows us to keep the amplifier slight-. ly compressed (but not oversaturated). and also
  • Maximizing Eb/No (C/N) Accuracy (Application Note 701)
    instrument has a measurement resolution of 0.01 dB, which means that the. actual Eb/N0 is stated on the front panel to 1/100 dB. However, the resolution the user. can command the CNG to set is only 1/10 of a dB due to step size of the attenuators. inside. An Eb/N0 setting of 6.5 dB might actually
  • Theory and Proposed Method for Determining Large Signal Return Loss or "Hot S22" for Power Amplifiers Using Phase Information
    to have. maz. accurate results. Therefore, it is suggested to use a small attenuator (e.g. 1 dB to 3 dB). between the PA and the phase tuner. 3. Test Method: Step 1: Connect the PA as illustrated in Figure 7 using a 50 Ohms load at the output of a. bidirectional coupler (additional attenuation can

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