Description
The integrated circuit, U2841B, is designed as a single FM-IF-amplifier and demodulator for TV sound processing with SCART switches and AF control in bipolar technology.
Features
- D D D D
IF input provided for operating with ceramic filters Minimum total harmonic distortion Low power consumption Operates alternatively with 5 V or 12 V supply voltage
D Demodulator provided for operating with
ceramic resonator or coil
D SCART AF input / AF output D Wide volume control range D ESD protected
Block Diagram
Tuned reference circuit 47 pF 47 pF
Deemphasis
4.7 nF
93 7519
IF input
4 16
5
6
7
8 SCART 9 AF output 11 kW
Mute control voltage
2
2.4 V / 3.7 V V >7V
S
G=1 3.
U2841B Datasheet
