NTE1535
Integrated Circuit
TV Sync. Horizontal/Vertical OSC
Features:
D Single Chip for Vertical and Horizontal Deflection System
D Synchro Pulse Processing
D Vertical Deflection: Oscillator to Driver, Video Blanking
D Horizontal Deflection: AFC Comparator to Buffer, Video Blanking
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, V12, V
Allowable Power Dissipation (TA ≤ +65°C), P
Operating Temperature Range, T
Storage Temperature Range, T
Electrical Characteristics: (TA = +25°C, V12 = V24 = 12V unless otherwise specified)
Parameter Test Conditions Min Typ Max Unit
Gain of Synchro Pulse Amp – 6.8 –
stg
24
opr
D
–20° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
750mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Burst Gate Pulse
Peak
Delay Time – 0.3 – µs
Back Side Delay Time – 3.7 – µs
Vertical Frequency
Holding Range
Pulling In Range – 10.5 – Hz
For VCC Varying V24 = 12V ±1V ±1 Hz
Oscillator – 60 – Hz
Vertical Retracing Period – 700 – µs
AFC Pulling In Range – 750 – Hz
AFC Center Error – – ±100 Hz
Horizontal Frequency
Oscillator
Oscillator Duty Cycle – 50 – %
For VCC Varying V12 = 12V ±1V – – ±50 Hz
– 6.7 – V
– 10.5 – Hz
– 15.734 – Hz
Pin Connection Diagram
Vert Trigger Input
Bypass
Vertical Output
Center Voltage
Vert Driver Input
Blanking Pulse Output
Hold Down Input
Horiz Buffer Output
Bypass
V
CC
11
1
2
3
4
5Vert Driver Output
6GND
7
8GND
9
V
24
CC
23
Video Input
22
Sync Output
21
Sync Separator Input
20
Time Constant Circuit
Sync Separator
19
Output
Burst Gate Pulse
18
Output
Flyback Pulse Input
17
Bypass
16
AFC Output10
15
14
Bypass
Horiz Sync Input12 13
24 13
112
1.300 (33.02) Max .520 (13.2)
.225
(5.73)
Max
.100 (2.54)
.126
1.100 (27.94)
(3.22)
Min
.600 (15.24)