Block Diagram
LA7793V
IF Input
IF AGC Input
VCC
16 15 14 13 12 11 10 9
VCC VCC VCC
AGC
Step Gain Amp
Driver Amp
IF
A/D Converter
Step Gain Contrpl Switch
12345678
A/D Converter
Please connect only one pin to a ground among Pins 3, 4, 5, 6 and 7.
Pin Function
Pin No.
1
IF input.
16
Function
Equivalent circuit
1kΩ
1
16
Bias
1kΩ
2
GND
3
Step Gain Control Switch.
4
5
6
7
8
Driver Output.
9
10 GND
Bias
VCC
40Ω
8
40Ω
9
5.7mA
5.7mA
Continued on next page.
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