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NTE1422 Datasheet(PDF) 1 Page - NTE Electronics

Part No. NTE1422
Description  Integrated Circuit Playback Video Signal Processor for VCR
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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NTE1422
Integrated Circuit
Playback Video Signal Processor for VCR
Features:
D Drop−out Compensation Circuit
D FM Demodulator
D Noise Canceller Circuit
D Mixer Amplifier Circuit
D Limiter Circuit
D Double Limiter Circuit Can Be Used
D Supply Voltage, Either 9V or 12V
Absolute Maximum Ratings: (TA = +25°C, unless otherwise specified)
Supply Voltage, V3−15,28, V21−15,28
14.4V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, PD
1.4W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, Topg
−20
° to +70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg
−40
° to +150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = 12V, VCC(opr) = 8.8V to 13V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ Max
Unit
Circuit Current
I1
60
104
mA
Voltage Gain (RF Amp)
GV7−10 f = 4MHz, Vi = 0.5Vp−p
3.3
6.3
dB
Voltage Gain (DOC Amp)
GV12−10 f = 4MHz, Vi = 0.2Vp−p
9
12
dB
Sensitivity
DOC Detect ON
S(1)
0dB = 0.5Vp−p
−25.5
dB
DOC Detect OFF
S(2)
−17
dB
Sensitivity (Demod Det)
S(3)
f = 3.5MHz to 4.5MHz
270
450 mV/MHz
Demod Det
f(lim)
C = 27pF, Vi = 0.7Vp−p
6
MHz
Carrier Leak (Demod Det)
CL
f = 4MHz, Vi = 0.7Vp−p
−25
dB
Voltage Gain
Video Amp Color
GV25−2 f = 100kHz, Vi = 0.5Vp−p
11
14
dB
Video Amp B/W
GV22−2 f = 100kHz, Vi = 0.4Vp−p
12.5
15.5
dB
Amplitude
(High−Pass Amp Out)
n
f = 3MHz, Vi = 0.5Vp−p
0.25
0.6
Vp−p
Voltage Gain (High−Pass Amp)
GV25−20 f = 3MHz, Vi = 10mVp−p
16
22
dB
Voltage Gain (Chroma Amp)
GV29−2 f = 3MHz, Vi = 0.3Vp−p
10.5
13.5
dB




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