TDA5732 查看數據表（PDF） - Philips Electronics
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TDA5732 Datasheet PDF : 18 Pages
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Philips Semiconductors
Low power VHF, UHF mixer/oscillator
for TV and VCR 2-band tuners
BLOCK DIAGRAM
Preliminary specification
TDA5732M
handbook, full pagewidth
band A input
20
19
BAND A
STAGE
band C input
local oscillator
amplifier outputs
RFGND
18
17
16
15
14
VP
IF inputs
13
12 11
BAND C
STAGE
LOCAL
OSCILLATOR
AMPLIFIER
DC
STABILIZER
MIXER
MIXER
TDA5732M
BAND A
OSCILLATOR
BAND C
OSCILLATOR
1
3
2
4 567
band A oscillator
tuned circuit
GND
band C oscillator
tuned circuit
ELECTRONIC
BAND SWITCH
IF
AMPLIFIER
8
band switch
input
IF ground
10
MBE391
IF output
Fig.1 Block diagram.
1995 Mar 22
3
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