English
Language : 

NTE1264 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Video AGC Circuit for VCR
NTE1264
Integrated Circuit
Video AGC Circuit for VCR
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage (V12–4), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.6V
Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 490mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperatue Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Electrical Characteristics: (VCC = V12–4 = 12V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Total Circuit Current
Video Signal Input Voltage
AGC Output Amplitude
AGC Control Sensitivity
Itot
15 25 38 mA
V11
234V
AAGC(7) Vi = 0.5VP–P
1.0 1.3 1.8 VP–P
bAGC(7) f = 10kHz, –10 to +5dB, V11 = 0.5VP–P – 0.5 1.0 dB
(0dB)
AGC Circuit Gain
AGC Signal–to–Noise Ratio
AGC Frequency Chracteristics
Emphasis Gain
Emphasis LF Gain
AGC Distortion
GAGC(7) f = 10kHz, Vi = 0.1VP–P
S/NAGC(7) Video Signal 0.15VP–P
Gf(7) f1 = 1MHz, f2 = 5MHz, Vi = 0.1VP–P
GEH f1 = 10kHz, f2 = 2MHz, Vi = 0.3VP–P
GEL f = 10kHz, Vi = 0.3VP–P
DAGC f = 10kHz, Vi = 0.5VP–P
– 22 – dB
45 50 – dB
– 0.5 – dB
7.1 8.0 8.5 dB
8 10 12 dB
– 0.5 1.5 %
 ▷