UTC PC1366 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R111-003,A
B/W TV VIF PROCESSING CIRCUIT
DESCRIPTION
UTC PC1366 is designed for B/W TV VIF processing
purpose. It includes VIF amplifiervideo low level detector RF
AGC, IF AGC and noise reduction circuit.
FEATURES
*High input sensitivity Typ.30dB
.
*Key and peak controllable AGC.
*Operating voltage down to 7V.
*Wide video bandwidth suitable for modulation IF of 4.5,
5.5,6.0,6.5 MHZ.
*Differential input implied with easy used with SAW
*Low external part count.
DIP-14H
BLOCK DIAGRAM
5
6
4
2
12
7
3
13
1
14
10
11
8
9
Rf?AGC
voltage
regulator
IF
AGC
Noise
reduction
Video
output
Low level
detector
IF amplifier
RF?AGC
to tuner
AGC
time
constant
Key
control
pulse input
IF power
Vcc
Video
output
GND
Detector
coil
Cap
saw filter
Video IF
input
RF
AGC
UTC PC1366 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R111-003,A
ABSOLUTE MAXIMUN RATING
(Ta=25
C)
PARAMETER SYMBOL
VALUE UNIT
Supply Voltage
VCC
15
V
Output Current
IP-P
3
VP-P
Power Dissipation
PD
875(Ta=75
C)With heat sink
W
Operating Temperature
TOPR
-20 ~ +70
C
Storage Temperature
TSTG
-40 ~ +125
C
ELECTRICAL CHARACTERISTICS
(Ta=25
C,V
CC
=12V,f
P
=38MHZ,fm=400HZ)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
Total Supply Current
ICC
I7+I12,RA=150
40
50
60
mA
Input Sensitivity
SVI
Modulation=80%,
VO=1.4VP-P
30
35
dB
Max Input Voltage
VI(MAX)
Modulation=80%,-1dB
100
dB
Video Output Voltage
VO
Modulation=80%,VI=3mVrms
1.0 1.4 1.7
VP-P
Video Output DC Voltage
VO(DC)
No signal
3.3
3.8
4.3
V
S/N Ratio
S/N
Modulation=80%-0%,
VI=3mVrms
40 50 dB
RF AGC Voltage(Hi)
V6H
V5=0V
8
9
11
V
RF AGC Voltage(Lo)
V6L
V5=7V
0
0.5
V
Differential Gain
D.G.
Step signal,fM=4.43MHZ
10
%
Differential Phase
D.P.
Step signal,fM=4.43MHZ
10
deg
Video Detector Bandwidth
GV(F)
-3dB point
5.5
MHZ
Input Impedance
RIN
1.5
K
Input Capacitance
CIN
3.3
pF
UTC PC1366 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R111-003,A
APPLICATION CIRCUIT
RF
AGC
IF
AGC
Noise
reduction
IF amplifier
Video Amplifier
Low level detector
7
6
5
4
3
2
1
8
9
10
11
12
13
14
22pF
680
Detector
coil
47
F
0.01
F
0.01
F
0.01
F
150
222
F
222
F
222
F
120
1.5k
Input
6.8k
180
56
220
0.01
F
0.01
F
20k
20k
820
0.22
F
12pF
Video
output
Audio IF
output
+B 12V
RF?AGC voltage
( to tuner )
Note(Pin 2 GND to have peak AGC)
saw
filter
TEST CIRCUIT
5
6
4
2
12
7
3
8
9
11
1
14
13
10
M
V
A
Detector
coil
0.01
F
0.01
F
0.01
F
0.01
F
600
22pF
Video
output
100
1k
0.01
F
47
F
IDS
A
B
SW3
Vcc 12V
150
0.01
F
A
B
AGC
10k
1k
0.01
F
0.22
F
470k
6.8k
0.01
F
B
A
47
F
UTC PC1366
38MHz
UTC PC1366 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R111-003,A
TYPICAL PERFORMANCE CHARACTERISTICS
0
5
10
15
20
0
10
20
30
40
50
60
70
80
Power supply
voltage(Vcc)
Input s
ens
itiv
ity
i(s
ens
e)(dBu)
Input sensitivity curve
0.01
0.1
1.0
10.0
100.0
-15
-10
-5
0
Video detec
tor output attenuation ATT (dB)
Frequency
(MHz)
Video detector output attenuation vs
frequency
0
20
40
60
80
100
10
20
30
40
50
60
Input voltage
Vi(dBu)
S/N ratio(dB)
S/N vs input voltage
0
4
8
12
16
20
0
0.4
0.8
1.2
1.6
2.0
Video detector output vs
power supply voltage
Power supply voltage Vcc(V)
Video detector output
voltage(Vp-p)
fp=38MHz,fm=400MHz
MOD=80%,Ra=150
fp=38MHz,fm=400MHz
MOD=80%-0%,
Vi=3mVrms, Ra=150
fp=38MHz,fm=400MHz
MOD=80%,Ra=150
fp=38MHz
MOD=40%
Vi=3mVrms
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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