NTE NTE15038 Datasheet
NTE15038
Integrated Circuit
Chroma Signal Proessor for VHS VCR
Features:
D Adjustment–Free 3.58MHz VXO Free–Running OSC Frequency , 160fH VCO Free–Running OSC
Frequency, Carrier Leak, PB Chroma Level, except REC Chroma Level.
D Multifunctional:
2fSC Generator for CCD Drive
PB Chroma (629K) Level Compensation Amp
Function to Select APC Loop Input Signal Passed/Not Passed Through Comb Filter
BGP Output
3rd Lock Protector of 3.58MHz OSC
D LPF Usable for REC/PB
D Capable of Being Operated from 5V Supply
D Current Dissipation: 48mA at REC mode
50mA at PB mode
D Few External Components Required
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax 7V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation (TA ≤ +65°C), PDmax 400mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
Storage Temperature Range, T
stg
opg
–10° to +65°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, V
CC
Operating Voltage Range, VCCop 4.8 to 5.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = 5V unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
REC Current Dissipation I
REC Output Level V
REC ACC Characteristics ∆V
ACC Killer Input Level V
VXO Control Sensitivity S
VXO OSC Level V
CC(R)
VXO(R)
O(R)
O(R)
ACK
VXO
Input ± 6dB –0.5 0 +0.5
38 48 58 mA
210 300 390 mV
–28 –25 –22 dB
2.5 3.7 5.5 Hz/mV
0.65 0.85 1.00 V
5.2V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P–P
dB
P–P
Electrical Characteristics (Cont’d): (TA = +25°C, VCC = 5V unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Subconverter Output Level V
BGP Delay Time t
BGP Width t
REC APC Pull–in Range ∆f
REC AFC Pull–in Range ∆f
160fH VCO Control Sensitivity S
PB Current Dissipation I
CC(P)
PB Output Level V
PB ACC Characteristic ∆V
PB Main Converter Carrier Leak CL
PB XO Output Level V
PB XO Free–Running Frequency f
XO(P)
XO(f)
2fSC Output Amplitude V
Burst Emphasis Amount G
Burst De–emphasis G
Comb Amp Gain G
COMB
SUB
D
W
APC
AFC
VCO
O(P)
O(P)
(p)
2fsc
BE
BD
200 250 300 mV
– 3.2 – µs
– 4.8 – µs
±350 – – Hz
±1.5 – – kHz
0.42 0.60 0.78 kHz/mV
40 50 60 mA
575 660 760 mV
Input ± 6dB –0.5 – +0.5 dB
4.21MHz component – –40 –33 dB
520 650 800 mV
Difference from 3579545Hz –7 0 +7 Hz
420 600 780 mV
5.5 6.0 6.5 dB
–5.5 –5.25 –5.0 dB
11 13 15 dB
P–P
P–P
P–P
P–P
Comb Amp Out
ACC Filter
3.58MHz Input
Bypass
PB 629kHz Input
Rec 629kHz Input
160fH VCO Filter
4.21MHz Input
Color Killer Filter
Pin Connection Diagram
1
2
3
4
53.58MHz Output
6GND
7
8SLD Output
9
10
11
24
23
22
21
20
19
18
17
16
15
14
12 13
PB Amp Input
PB 3.58MHz Output
SW30/LP
Video Input
V
CC
XO Input
XO Output
2fSC Output
VCO Tank
Rec APC Filter
Sync Input/BPG Output
4.21MHz Output
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