поискавой системы для электроныых деталей |
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TDA3833T датащи(PDF) 8 Page - NXP Semiconductors |
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TDA3833T датащи(HTML) 8 Page - NXP Semiconductors |
8 / 13 page September 1992 8 Philips Semiconductors Product specification BTSC-stereo/SAP/DBX decoder and DBX expander TDA3833 Notes to the characteristics 1. Requirements for the MPX/SAP input signal to ensure correct system performance: a) Maximum variation of MPX/SAP signal under operating conditions: to be found (1 dB). b) 3 dB bandwidth ≥ 130 kHz (∆f = 25 kHz). c) THD (L + R, ∆f = 25 kHz, fmod = 1 kHz): 0.2%. d) S/N(W), weighted in accordance with CCIR468-3 (L + R, ∆f = 25 kHz for sound carrier, fmod = 1 kHz, 75 µs de-emphasis; with critical picture modulation): S/N(W) > 44 dB; with sync only: S/N(W) > 54 dB. e) Spectral spurious attenuation: 40 dB (mainly n × fH; L + R, ∆f = 25 kHz for sound carrier fmod = 1 kHz, 50 Hz to 100 kHz, no de-emphasis). f) Maximum white noise level (unweighted, 200 Hz to 100 kHz) to avoid malfunctioning of the identification circuits: 500 mV (RMS). 2. Adjustable on pin 27, measurement (fH) on pin 7 with a 2.7 kΩ resistor connected between VP and pin 31. 3. Can also be aligned to 600 mV (RMS), then identification threshold and AF output headroom will be decreased by 1.6 dB. 4. I12 and I14 can be measured via an ammeter connected to 4 V (3.5 to 4.1 V). DBX section V9 SAP level control voltage range − 1 to 4 − V V10 (L - R) level control voltage range − 1 to 4 − V V13 spectral band level control voltage range − 1.8 to 3.2 − V I9,10,13 input current VI = 0.5VP −− 5 µA S1 spectral RMS-detector release rate 343 381 419 dB/s I12 timing current for nominal release rate of spectral RMS-detector see note 4 − 22.5 −µA current adjustment range − 11 to 45 µA S2 wideband RMS-detector release rate 112.5 125 137.5 dB/s I14 timing current for nominal release rate of wideband RMS-detector 0.33l12; see note 4 − 7.5 −µA current adjustment range − 4 to 15 −µA V15 timing adjustment − 1.5 to 3.8 − V SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
Аналогичный номер детали - TDA3833T |
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Аналогичное описание - TDA3833T |
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