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| NTE708 Integrated Circuit TV/FM Sound IF Amplifier Features: D Greatly Simplifier FM Demodulator Alignment D Excellent Performance at V+ = 8V Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Power Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V Peak Input Voltage (Pin4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5V Power Dissipation (TA = +25C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mW/C Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Electrical Characteristics: (V+ = 12V, TA = +25C unless otherwise specified) Parameter Drain Current Pin 13 V+ = 8V V+ = 12V Amplifier Input Reference Voltage Detector Input Reference Voltage Amplifier High Level Output Voltage Amplifier Low Level Output Voltage Detector Output Voltage 6 2 10 9 1 V+ = 8V V+ = 12V Amplifier Input Resistance Amplifier Input Capacitance Detector Input Resistance Detector Input Capaciance Amplifier Output Resistance Detector Output Resistance De-Emphasis Resistance 4 4 12 12 10 1 14 Test Conditions Min 10 - - - 1.25 - - - - - - - - - - Typ 12 15 1.45 3.65 1.45 0.145 3.7 5.4 5.0 11 70 2.7 60 200 8.8 Max 19 21 - - 1.65 0.2 - - - - - - - - - Unit mA mA V V V V V V k pF k pF k Dynamic Characteristics: (FM Modulation Freq = 1kHz, Source Resistance = 50, TA = +25C for all tests) Parameter Pin Test Conditions Vin 50Vrms Vin = 10mVrms, Note 1 Vin = 10mVrms Vin = 10mVrms Vin 50Vrms Vin = 10mVrms, Note 1 Vin = 10mVrms Vin = 10mVrms Vin 50Vrms Vin = 10mVrms, Note 1 Vin = 10mVrms Vin = 10mVrms Vin 50Vrms Vin = 10mVrms, Note 1 Vin = 10mVrms Vin = 10mVrms Min Typ Max Unit (V+ = 12V, fo = 4.5MHz, f = 25kHz, Peak Separation = 150kHz) Amplifier Voltage Gain AM Rejection Input Limiting Threshold Voltage Recovered Audio Output Voltage Output Distortion 10 1 4 1 1 - - - - - 60 36 250 0.72 3 - - - - - dB dB Vrms Vrms % (V+ = 12V, fo = 5.5MHz, f = 50kHz, Peak Separation = 260kHz) Amplifier Voltage Gain AM Rejection Input Limiting Threshold Voltage Recovered Audio Output Voltage Output Distortion 10 1 4 1 1 - - - - - 60 40 250 1.2 5 - - - - - dB dB Vrms Vrms % (V+ = 8V, fo = 10.7MHz, f = 75kHz, Peak Separation = 550kHz) Amplifier Voltage Gain AM Rejection Input Limiting Threshold Voltage Recovered Audio Output Voltage Output Distortion 10 1 4 1 1 - - - - - 53 37 600 0.3 1.4 - - - - - dB dB Vrms Vrms % (V+ = 12V, fo = 10.7MHz, f = 75kHz, Peak Separation = 550kHz) Amplifier Voltage Gain AM Rejection Input Limiting Threshold Voltage Recovered Audio Output Voltage Output Distortion 10 1 4 1 1 - - - - - 53 45 600 0.48 1.4 - - - - - dB dB Vrms Vrms % Note 1. 100% FM, 30% AM Modulation. Pin Connection Diagram Audio Output 1 Detector Input Ref 2 N.C. 3 IF Input 4 Decoupling 5 IF Input Ref 6 GND 7 14 De-Emphasis 13 VCC 12 Det Input (QuadratureNetwork) 11 Test Point 10 Amplifier Output 9 Amplifier Low Output 8 N.C. 14 8 1 7 .785 (19.95) Max .300 (7.62) .200 (5.08) Max .100 (2.45) .600 (15.24) .099 (2.5) Min |
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