NTE1422 Datasheet, PDF (1/3 Pages) NTE Electronics – Integrated Circuit Playback Video Signal Processor for VCR

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: (T_A = +25°C, unless otherwise specified)
Supply Voltage, V_{3−15,28,} V_{21−15,28} . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Power Dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4W
Operating Temperature Range, T_opg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
Electrical Characteristics: (T_A = +25°C, V_CC = 12V, V_CC(opr) = 8.8V to 13V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Circuit Current
Voltage Gain (RF Amp)
Voltage Gain (DOC Amp)
Sensitivity
DOC Detect ON
DOC Detect OFF
Sensitivity (Demod Det)
Demod Det
Carrier Leak (Demod Det)
Voltage Gain
Video Amp Color
I₁
G_V7−10 f = 4MHz, V_i = 0.5V_p−p
G_V12−10 f = 4MHz, V_i = 0.2V_p−p
0dB = 0.5V_p−p
S₍₁₎
S₍₂₎
S₍₃₎ f = 3.5MHz to 4.5MHz
f_(lim) C = 27pF, V_i = 0.7V_p−p
CL f = 4MHz, V_i = 0.7V_p−p
G_V25−2 f = 100kHz, V_i = 0.5V_p−p
60 − 104 mA
3.3 − 6.3 dB
9
− 12
dB
−25.5 − −
dB
− − −17 dB
270 − 450 mV/MHz
6 − − MHz
− − −25 dB
11 − 14
dB
Video Amp B/W
Amplitude
(High−Pass Amp Out)
G_V22−2 f = 100kHz, V_i = 0.4V_p−p
n f = 3MHz, V_i = 0.5V_p−p
12.5
0.25
− 15.5
− 0.6
dB
V_p−p
Voltage Gain (High−Pass Amp) G_V25−20 f = 3MHz, V_i = 10mV_p−p
Voltage Gain (Chroma Amp)
G_V29−2 f = 3MHz, V_i = 0.3V_p−p
16 − 22
dB
10.5 − 13.5 dB