絲印：APN；Package：8LdMSOP；Single Digitally Controlled Potentiometer (XDCP?? Low Noise, Low Power I2C Bus, 256 Taps

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Circuit Models for Plastic Packaged Microwave Diodes

Introduction Discrete, low-cost, surface mount semiconductor diodes are attractive choices for UHF and microwave applications where package parasitic may have a significant impact on performance. The most common package styles are the SOT-23 and the SOD-323 (Figure 1) which were neither designe

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A Balanced Wideband VCO for Set-Top TV Tuner Applications

Introduction Modern set-top TV DBS tuner systems require more channel coverage, while maintaining competitive prices. This situation creates tough design goals: to improve performance and simplify design. Balanced VCO configuration could be a competitive circuit solution, since it provides the w

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A Colpitts VCO for Wideband (0.95??.15 GHz) Set-Top TV Tuner Applications

Introduction Modern set-top DBS TV tuners require high-performance, broadband voltage control oscillator (VCO) designs at a competitive cost. To meet these goals, design engineers are challenged to create high-performance, low-cost VCOs. The Colpitts oscillator is a traditional design used for m

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