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PIN Diode Vector Modulators

资料介绍
PIN Diode Vector Modulators - Fundamentals and Drive Requirements AN3001 Application Note

PIN diode Vector Modulators Fundamentals and Drive Requirements
V 3.00

Introduction
M/A-COM’s Chip Scale Package (CSP) vector modulator platform offers a means of varying attenuation and phase in a single surface mount package. These vector modulators offer linear phase and minimal amplitude ripple in their bands of operation. Due to using PIN diodes as the active devices, these vector modulators have high intercept points. These vector modulators operate in tandem with a dual linearizer, MADRCC0002 that has been developed by M/A-COM.



Case 2. If the diodes in the top VVA are set to an impedance of 50 ohms, the top VVA will be in a high loss state. The output of the bottom VVA will have a phase of -90° or 90°, depending on the impedance of the terminating diodes……
PIN Diode Vector Modulators
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