S
ilicore
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
1/5
VIDEO IF PROCESSOR FOR B/W TV CD1366CP
GENERAL DESCRIPTION
The CD1366CP is a silicon monolithic
integrated circuit designed for VIF section in B/W
television receivers. This IC has functions
including video IF amplifier, video low-level
detector, RF AGC, IF AGC and noise chancellor.
This IC is encapsulated in 14 pin dual in-line
package with heat tab.
FEATURES
High input sensitivity; TYP. 30dB.
It can be used both of keyed type AGC and peak type AGC.
It can be operated with the power supply voltage above 7V.
Since the video detector has wide bandwidth, it's suitable for the sound carrier
frequency of 4.5, 5.5, 6.0, 6.5 MHz.
As input is differential mode, it can be used with SAW filter.
All functions for VIF stage are provided by this single chip IC and this IC will realize
reduction of assembly cost as well as reduction of number of external components.
BLOCK DIGRAM PIN CONNECTION
TAB
GND
1
2
3
4
5
6
7
8
11
12
13
14
10
9
TUN
IN
VF
OUT
FIL
ADJ
RFAGC
OUT
Vcc
RFAGC
IN
IN
IF
NF
NF
REG
GND
TUN
IF
CD1366CP
RFAGC
RFAGC
RF AGC
IF AGC
NOISE
VIDEO
IF AMPLIFIER
LOW LEVER
DETECTOR
CANCEL
AMP
8
9
10
11
1
14
13
5
6
4
2
12
7
3
Vcc=12V
TAB
Silicore
CD1366CP
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
2/5
PIN DESCRIPTION
Pin Description Symbol Pin
Description
Symbol
1
Detector Coil
TUN
8
VIF Input
IN
I F
2
Keying Pulse Input
IN
I FA G C
9
VIF Input
IN
I F
3 Video
Output OUT
V F
10
Capacitor NF
4 AGC
Time
Const. FIL
I FA G C
11
Capacitor NF
5 RF
AGC
ADJ.
VR. ADJ
R FA G C
12
Supply Voltage (2)
REG
6 Tuner
AGC
Output OUT
R FA G C
13
Ground GND
7
Supply Voltage (1)
Vcc
14
Detector Coil
TUN
ABSOLUTE MAXIMUM RATINGS
(Ta=25C)
Characteristics
Symbol
Value
Unit
Supply Voltage Pin 7
V7
15
V
Input Signal Voltage
V8 V9
3
Vpp
Power Dissipation
Pd
875(Ta=75C) Free Air
mW
Operating Temperature
Topt
-20~75
C
Storage Temperature
Tstg
-40~125
C
ELECTRICAL CHARACTERISTICS
(Vcc=12V, Ta=253C, f=58.75MHz, f
M
=15.75kHz)
Characteristic Symbol Test
Condition Min. Typ.
Max.
Unit
Total Supply Current
Icc
I
7
+I
1 2
, R
A
=150 40
50
60
mA
Input Sensitivity
Vi(sens)
Mod=80%, Vo=1.4Vpp
30
35 dB
Maximum Input Voltage Vi(max.)
MOD=80%, -1dB Point
100
dB
Video Output Voltage
Vo
Mod=80%, Vi=3mVrms
1.0
1.4 1.7 Vpp
Video Output DC Voltage
Vo
No Signal
3.3
3.8 4.3
V
Signal To Noise Ratio
S/N
MOD=80%~0% Vi=3mVrms 40
50
dB
RF AGC Voltage (High)
V
6 H
V
5
=0V 8
9
11
V
RF AGC Voltage (Low)
V
6 L
V
5
=7V
0
0.5
V
Differential Gain
D.G.
Stair Step f
M
=3.58MHz 10
%
Differential Phase
D.P.
Stair Step f
M
=3.58MHz 10
deg
Video Detector Band Width
BW
-3dB Point
5.5
MHz
Input Resistance
Rin
1.5
k
Input Capacitance
Cin
3.3
pF
Silicore
CD1366CP
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
3/5
TEST CIRCUIT
TEST CIRCUIT SWITCH SITUATION TABLE
CHARACTERISTICS S1 S2 S3 CHARACTERISTICS S1 S2 S3
Icc 1
2
2 V
6 L
1
2
1
V
I S
1
2
1 DG 1
2
1
V
I M
1
2
1 DP 1
2
1
V
O V F
(pp) 1
2
1
BWv
1
2
1
Vo 1
2
1 R
I
1
2
1
S/N 2
2
1 C
I
1
2
1
V
6 H
1
1
1
0.
01uF
0.
01uF
0
.
01u
F
0.
01uF
680
50
1K
100
V
V
0.01uF
47uF
A
150
0.01uF
47
uF
0.01uF
0.22uF
VR
10K
470K
1K
6.8K
0.
01uF
V
5 6
4
2
12
3
7
8
9
10
11
1
14
13
S3
S1
S2
MGC
Vcc=12V
1
2
1
2
1
2
1
2
DET COIL
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