參數(shù)資料
型號: KA22296
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Playback / Record PRE AMP FOR DOUBLE DECK(重放/錄音前置放大器)
中文描述: 播放/錄音前級的雙層(重放/錄音前置放大器)
文件頁數(shù): 12/17頁
文件大?。?/td> 157K
代理商: KA22296
KA22296 DOUBLE DECK SYSTEM FOR RADIO CASSETTE
3 - 2. Head Input Circuit ( FET switch )
After switching the play head signal will be
inputed into tape, and be aware of many
forming Hums.
Fig 3- 2
21/23
20/24
Rec out
Rec NF
Open the capacitor between the output and the NF
Fig 3- 3
RECORD OUT
REC(High)
Play(Open)
To Pin6 (Vref)
Play(High)
REC(Open)
Tape in-B
Tape in-A
PLAY HEAD
R/P HEAD
+
+
At this point, in order to
make OSC as low as
possible control the OSC
frequency and trap.
If in case the capacitor is not suffici-
ently large enough, at the time of
recording blocking eruption will occur
within the specfied frequency.
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