NTE1806

NTE1806 Integrated Circuit Head Amplifier Circuit for 4 Head VCR Features: D Built–in Enveloped Comparing Circuit D Built–in Peaking Amplifier Circuit D Less Noise Voltage Referred to Input: 1µVrms Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Power Dissipation (TA = +70°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mW Operating Ambient Temperature, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Electrical Characteristics: (TA = +25°C, VCC = 5V unless otherwise specified) Parameter Circuit Current Channel I Gain Channel II Gain Channel III Gain Channel IV Gain AGC Output Amplitude AGC Control Sensitivity Head Switch Changeover Sensitivity Head Amp Switch Changeover Sensitivity Noise Voltage Referred to Input (I) Noise Voltage Referred to Input (II) Noise Voltage Referred to Input (III) Noise Voltage Referred to Input (IV) Envelope Comparative Output Amplitude Envelope Comparative Output Stop Sensitivity Symbol I16 G3–15 G4–15 G8–15 G9–15 υ20 υ20 S1 S11 Vni3–15 Vni4–15 Vni8–15 Vni9–15 υ14 S17 1MHz BFP 1MHz BFP 1MHz BFP 1MHz BFP f = 1MHz f = 1MHz f = 1MHz f = 1MHz f = 4MHz...