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Service manual WP 895/895F, CP885/885F
, CP485F
5-2 IF section
5-2-1 Block diagram
The video IF signal (VIF) is fed through a SAW filter to the differential input (Pin 6-7) of the VIF amplifier.
5-2-2 Vision IF Amplifier
This amplifier consists of three AC-coupled amplifier stages. Each differential amplifier is gain controlled by the
automatic gain control circuit (VIF-AGC). The output signal of the VIF amplifier is applied to the FPLL carrier
generation and the video demodulator.
Содержание WP-895
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Страница 102: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC...