Diode detectors combined various ways[1] produce higher output voltage

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Diode detectors combined various ways[1] produce higher output voltage

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Schottky Diode Voltage Doubler Application Note 956-4
Diode detectors combined various ways[1] produce higher output voltages than would produced single diode. This note describes microwave circuit that combines detected output diodes produce detector with double usual voltage sensitivity.
packaged diodes, which case polarity requirements physically reversing packages, thus eliminating need opposite polarity diodes.
VOLTAGE OUT,
doubler output seen detected voltage from diodes both cases.
DOUBLER
Circuit Description
Figure shows simple voltage doubler circuit that assembled Package tested GHz. this version doubler, opposite polarity chips needed. shunt chip 5082-0009 detector. series chip 5082-0023 mixer. Interchanging chips does affect performance. circuit also assembled using
Note that diodes shunt R.F. impedance halved. Impedance matching circuits will thus easier design.
SINGLE DIODE DETECTOR
Performance
Measured performance voltage doubler compared single diode shown Figure triple stub tuner used match detectors each input level. Figure shows similar data with tuner adjusted fixed that position.
.001
.0001
POWER
Figure Voltage Doubler Tuned Each Power Level.
DOUBLER
VOLTAGE OUT,
SINGLE DIODE DETECTOR
.001
.0001
POWER
Figure Voltage Doubler Tuned dBm.
Figure Voltage Doubler Schematic.
input sine wave plus d.c. voltage doubler combina- component equal peak tion clamper, shunt diode, voltage. detected voltage then peak-to-peak voltage detector. Diode clamping sine wave, double peak action been discussed amplitude detected single Hewlett-Packard Application diode. Note 942. input sine wave, symmetrical about zero volts raised clamper that Reference minimum voltage zero. Angelo, Jr., "Electronic input series detector diode Circuits", McGraw-Hill, 1958.
Works
technical assistance location your nearest Hewlett-Packard sales office, distributor representative call: Americas/Canada: 1-800-235-0312 408-654-8675 East/Australasia: (65) 290-6305 Japan: 3331-6111 Europe: Call your local sales office listed your telephone directory. Components representative. Data Subject Change Copyright 1995 Hewlett-Packard Printed U.S.A. 5964-4236E (11/95)

Diode detectors combined various ways[1] produce higher output voltage

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