Ramsey Electronics SG560 Guía de usuario Pagina 52

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TYPICAL TEST PROCEDURES
12. While keyed adjust the generator output as necessary to achieve 12 db SINAD.
13. Subtract the transmitter turned off SINAD from the transmitter turned on SINAD setting
to arrive at the actual dB level of desensitization.
14. Typical readings are usually no more than 1 – 3 dB of measurable desensitization.
TX PASS TX PASS RX PASS RX PASS
FIGURE-2
DESENS TEST SETUP
SET COM3010 TO REPEATER RX FREQ
40 DB CALIBRATED ISOLATOR
T ADAPTER (ISO-T)
REPEATER
RCVR INXMTR OUT
ANTENNA
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