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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM1868 датащи(PDF) 2 Page - National Semiconductor (TI) |
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LM1868 датащи(HTML) 2 Page - National Semiconductor (TI) |
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2 / 10 page  Absolute Maximum Ratings If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Supply Voltage (Pin 19) 15V Package Dissipation 20W Above TA e 25 C Derate Based on TJ(MAX) e 150 C and iJA e 60 CW Storage Temperature Range b 55 Cto a150 C Operating Temperature Range 0 Cto a70 C Lead Temperature (Soldering 10 sec) 260 C Electrical Characteristics Test Circuit TA e 25 C VS e 9V RL e 8X (unless otherwise noted) Parameter Conditions Min Typ Max Units STATIC CHARACTERISTICS eAM e 0 eFM e 0 Supply Current AM Mode S1 in Position 1 22 30 mA Regulator Output Voltage (Pin 16) 35 39 48 V Operating Voltage Range 45 15 DYNAMIC CHARACTERISTICSAM MODE fAM e 1 MHz fmod e 1 kHz 30% Modulation S1 in Position 1 PO e 50 mW unless noted Maximum Sensitivity Measure eAM for PO e 50 mW 816 m V Maximum Volume Signal-to-Noise eAM e 10 mV 40 50 dB Detector Output eAM e 1mV 40 60 85 mV Measure at Top of Volume Control Overload Distortion eAM e 50 mV 80% Modulation 2 10 % Total Harmonic Distortion (THD) eAM e 10 mV 11 2 % DYNAMIC CHARACTERISTICSFM MODE fFM e 107 MHz fmod e 400 Hz Df e g75 kHz PO e 50 mW S1 in Position 1 b 3 dB Limiting Sensitivity 15 45 m V Signal-to-Noise Ratio eFM e 10 mV 50 64 dB Detector Output eFM e 10 mV Df e g225 kHz 40 60 85 mV Measure at Top of Volume Control AM Rejection eFM e 10 mV 30% AM Modulation 40 50 dB Total Harmonic Distortion (THD) eFM e 10 mV 11 2 % DYNAMIC CHARACTERISTICSAUDIO AMPLIFIER ONLY f e 1 kHz eAM e 0 eFM e 0 S1 in Position 2 Power Output THD e 10% RL 8X VS e 6V 250 325 mW VS e 9V 500 700 mW Bandwidth AM Mode PO e 50 mW 11 kHz FM Mode PO e 50 mW 22 kHz Total Harmonic Distortion (THD) PO e 50 mW FM Mode 02 % Voltage Gain 41 dB Typical Performance Characteristics (Test Circuit) All curves are measured at audio output vs Voltage Quiescent Supply Current FM Limiting Characteristics FM IF AM Rejection TLH7909 – 2 2 |
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