NTE1264 데이터 시트보기 (PDF) - NTE Electronics

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NTE1264

Integrated Circuit Video AGC Circuit for VCR

NTE Electronics 

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 %

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