1-52 (No.22041)
4.10 GP1UM271XK (IC901) : Dual operation amplifier
4.11 HA17758A (IC501,IC502,IC571) : Dual operational amp
• Pin layout
R
L
Com-
para-
tor
Integra-
tor
Demodu-
lator
B.P.F
Limiter
Amp
GND Vcc Vout
8
7
6
5
VCC
Vout2
Vin(-)2
Vin(+)2
Vout1
Vin(-)1
Vin(+)1
VEE
1
2
3
4
1
- +
+ -
2