Video ICs
•Pin descriptions
Pin No.
Pin name
1
AFTOUT
2
RFAGC
3
AGCADJ
4
AGCFLT
5
GND1
6
VIFB
7
VIFA
8
GND2
9
SIF
10
AFC
11
VO4.5M
12
IR
13
AFOUT
14
X5
15
MODE
16
PLL COIL B
17
PLL COIL A
18
Vreg
19
AFT COIL
20
PLL FLT
21
VEQO
22
EQFLT
Function
AFT OUT
RF AGC OUT
RF AGC delay point adjustment
IF AGC FILTER
VIF, BIAS GND
VIF B IN
VIF A IN
SIF, PLL GND
SIF IN / intercarrier SW
AUDIO detector Filter and A / V mute SW
2nd SIF OUT
FIilter BIAS resistor ( ± 1%)
AUDIO OUT
Filter system reference frequency oscillator
MODE SW
PLL oscillator COIL
PLL oscillator COIL
Vreg
AFT COIL
PLL phase detect filter
VIDEO OUT after EQ amplifier
EQ Filter
BA7357S
3