NTE1689

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 = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C Electrical Characteristics: (VCC = 5V, TA = +25°C 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(AGC12) 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 µVrms µVrms ∆vo(AGC12) f = 4MHz f...