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  • Capacitors in Parallel
    blocking capacity is required in Figure 5D than in the circuit of Figure 5A, it only has to carry the output load current. However, the plate tank tuning capacitors will have the DC plate voltage applied to them in addition to the RF voltage. A capacitor with DC voltage capability should
  • Discrete RF Semiconductors: Alive and Well
    on the order of several milliamperes at 3 to 5 Volts. Schottky diode detectors could not be much simpler to implement: the simplest version. consists of a single Schottky diode, a capacitor, a resistor and possibly RF choke,. configured as a simple half-wave rectifier. No external DC power supply
  • How to Specify RF & Microwave Filters (.pdf)
    In a classic case of what you don't know can hurt you, design engineers with advanced knowledge of digital electronics are discovering an urgent need to brush up on RF basics when it comes to specifying filters for. wireless devices. Failure to take into account the fundamental aspects of filter
  • Low Distortion Tunable RF Components, a Compound Semiconductor Opportunity
    that the latter solution, when. compared against all existing technology platforms for. continuously tunable elements, can provide superior. performance in tuning range, linearity, and quality. factor. Low Distortion Tunable RF Components, a Compound Semiconductor Opportunity Low Distortion
  • VCO Design for WLAN Applications in the 2.4-2.5 GHz ISM Band
    In this application note, two VCO designs applicable for 2.4-2.5. GHz WLAN transceiver functions were demonstrated. It was. shown that an RF VCO with a large tuning sensitivity (about 150. MHz/V) could be achieved with low phase noise (< -91 dBc/Hz at. 10 kHz offset) using Skyworks low resistance
  • Ceramic Design Guide
    . in a control ed environment, such as base. by tuning the resonators. The resonators are. stations, cel phones, which are equipped. soldered into a PC board used as a carrier,. with compensating devices. and give access to the RF input and output of. the filter. Insertion loss specifications wil also
  • A Dual-Band Switchable IF VCO for GSM/PCS Handsets
    , the capacitor, CVAR, may have a. Many of today’s handset cellular telephones are multifunctional,. more complicated structure including series and parallel. multiband units. They are complex RF systems with frequency. connected discrete capacitors used to set required oscillation. plans requiring multiple RF
  • Skyworks De-embedded Scattering Parameters
    of identical open transmission lines. All of these lines were. designed to have the same characteristic impedance as the lines. RF1 and RF2 in Figure 2. Some products, such as PIN diodes, tuning varactor diodes and. some amplifiers require the application of bias voltage or current. via a DUT RF port

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