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| Datasheet File OCR Text: |
| NTE799 Integrated Circuit Four Channel "SQ" Decoder Description: The NTE799 consists of two high input impedance preamplifiers which are fed with left total, LT, and right total, RT signals. The preamplifiers each feed two all-phase networks which generate two LT signals in quadrature and two RT signals in quadrature. The four signals are matrixed to yield left front, left back, right front, and right back signals (LF, LB, RF, RB). Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V Power Dissipation (TA = +25C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750mW Derate Above +25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.7mW/C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Electrical Characteristics: (VCC = +20V, Vin = 0.5V(RMS) @ 1kHz, TA = +25C unless otherwise specified) Parameter Supply Current Drain Input Impedance Output Impedance Channel Balance (LF/RF) Voltage Gain LF/LT or RF/RT Relative Voltage Gain LB'/LF' or RF/RT Maximum Input Voltage for 1% THD at Output RT or LT Total Harmonic Distortion RT or LT Signal to Noise Ratio (Short-Circuit Input VO = 0.5V(RMS) with Output Noise Referenced to Output Voltage, VO) (BW = 20Hz to 20kHz) Min 11 1.8 - -1.0 -1.0 -1.0 2.0 - - Typ 16 3.0 5.0 0 0 0 - 0.1 80 Max 21 - - +1.0 +1.0 +1.0 - - - Unit mA m k dB dB dB V(RMS) % dB Pin Connection Diagram Phase Shift Network LF Output LB Output Phase Shift Network Phase Shift Network Lt Channel Input GND 1 2 3 4 5 6 7 14 RB Output 13 Phase Shift Network 12 VCC 11 RF Output 10 Phase Shift Network 9 8 Phase Shift Network Rt Channel Input 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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