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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UPD9930 датащи(PDF) 2 Page - NEC |
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UPD9930 датащи(HTML) 2 Page - NEC |
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2 / 78 page  RESETB REQB FSYNC SCLK (256 kHz) SEN SO SI DSPSEL MCLK MSTR MDAT DCLK DO DI TC1 TC2 DRSTB DAI (GSM11. 10) Low-current drive LED MICRO- CONTROLLER INTERFACE DSP INTERFACE Receive LPF Voice send Digital Gain Cont. 0 to –2.8 dB (0.4 dB steps) Transmit BPF PLL Digital signal processor D/A A/D Pre-Filter + Mixer 0 or –3 dB Vref Vcombuff RACOMO RACOMI XACOMI XACOMO REC2O+ REC2O– ref – + – + Receiver drive amplifier (Receiver amplifier 2) REC2I– REC1O Post Filter 1 (Accessory output amplifier) 0 dB fix Post Filter 2 (Receiver amplifier 1) 0 to -31 dB (1 dB steps) to Vref RAUXO XAUXI– XAUXO (to XACOMO) MICI+ MICI– MICO MIXI Microphone amplifier – + – + Sign code output (15 to 33 dB) (0 to 10 dB) to V ref to V Voice receive Digital Gain Cont. 0 to –2.4 dB (0.8 dB steps) Tone Gain Cont. 0 to –30 dB (1 dB steps) –38.5 dB Tone Generator Tone Interval Generation (8 kHz) Accessory input amplifier |
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