LA4160 Sanyo Semiconductor Corporation, LA4160 Datasheet
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LA4160
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LA4160 Summary of contents
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... TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN Single-Chip Tape Recorder Audio System Package Dimensions unit:mm 3005A-DIP14T 2.5 2.1 6.5 6.0 1. 12800TH (KT)/41594HK/O207TA/4015KI/8171KI, TS No.870–1/11 Monolithic Linear IC LA4160 [LA4160 19.0 2.54 0.5 1.3 SANYO : DIP14T – – ˚C 0 ˚ ...
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... Operating Characteristics 25˚ Test Circuit Diagram Test Method – – – – LA4160 =6V, f=1kHz, See specified Test Circuit – – – µ No.870–2/11 ...
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... Equivalent Circuit Block Diagram Sample Application Circuit 1 : Cassette Recorder LA4160 No.870–3/11 ...
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... ALC circuit and meter circuit. The external DC/AC feedback resistor (Z2) can be set arbitrarily and the closed loop gain is obtained by the following equation (pre) 20 log ( Z1 The input impedance depends on internal resistance R2 which is 30k . LA4160 ) (dB) No.870–4/11 ...
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... Whe the DC voltage to be applied to pin (5) is set at approximately 1.1V, TR1, 2 are turned ON and ALC is turned ON. For the rectifier circuit recommended to use the voltage doubler rectifirer which is excellent in compression ratio. For the sets ALC width can be made wider even at the time of decreased voltages. LA4160 characteristics recommended to use a germanium diode so that the CC No.870– ...
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... Especially, it should be noted that if a common impedance exists in the variable resistor grounding, the distortion, residual ripple, and cross interference (leak of signal between preamplifier and power amplifier) may worsen. LA4160 R19 (R18+Rf taken. ...
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... However, this pin can be safely used as the power supply for a built-in capacitor microphne. 5. Recording Muting The recording muting at the time of recording by use of the built-in microphone is enabled by applying voltage to feedback pin (3) of the power amplifier. (Power amplifier : Cutoff) LA4160 No.870–7/11 ...
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... In case of using in a radio-cassette recorder, the IC and the bar antenna must be arranged sufficiently distant from each other to avoid the radiation of higher harmonic component at the time of output saturation of the power amplifier. 7. Pin-to-pin short causes breakdown and deterioration. 8. Load short causes breakdown and deterioration of both preamplifier and power amplifier. LA4160 No.870–8/11 ...
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... LA4160 No.870–9/11 ...
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... LA4160 No.870–10/11 ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of January, 2000. Specifications and information herein are subject to change without notice. LA4160 PS No.870–11/11 ...