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| NTE1689 Integrated Circuit Head Amp Circuit for VCR Features: D The Function Consist of: Video Signal Pre-Amplifier Circuit Head Switchover Circuit Drop-Out Compensation Circuit RF AGC Circuit D Low-Noise Head Amplifier D Supply Voltage: 5V Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Electrical Characteristics: (VCC = 5V, TA = +25C unless otherwise specified) Parameter Circuit Current Channel 1 Gain Channel 2 Gain AGC Output Amplitude AGC Control Sensitivity Output Amplifier Gain DOC Amplifier Gain DOC Sensitivity ON DOC Sensitivity OFF PG Input Sensitivity Noise Voltage Referred to Input Symbol I1 GV4-10 GV8-10 vo(AGC*12) GV13-17 GV18-17 S13-1 S13-2 S2 Vni1 Vni2 1MHz BPF 1MHz BPF f = 1MHz f = 1MHz f = 4MHz Test Conditions Min 8 52.5 52.5 170 - 0.05 10.5 - -10.8 - - - Typ - - - - - - - - - - - - Max 20 62.5 62.5 330 2.5 2.7 14.0 -19 - 3 1 1 Unit mA dB dB mVP-P dB dB dB dB dB V Vrms Vrms vo(AGC*12) f = 4MHz f = 4MHz f = 4MHz f = 4MHz f = 4MHz Note 1. Operating supply voltage range: VCCopr = 4.5V to 5.5V. Pin Connection Diagram VCC 1 PG Input 2 Damping (1) 3 FM Input (1) 4 GND 5 FM Input (2) 6 Damping (2) 7 Reference Voltage 8 AGC Detect 9 18 DOC Amp Input 17 FM Output 16 DOC Detect 15 DOC Pulse 14 GND 13 DOC Input 12 FM Equalizer 11 FM Output 10 Chroma Output 18 10 1 9 .870 (22.1) Max .150 (3.8) .250 (6.35) .100 (2.54) .800 (20.3) .125 (3.17) Min |
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