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TDA6160-2S датащи(PDF) 10 Page - Siemens Semiconductor Group |
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TDA6160-2S датащи(HTML) 10 Page - Siemens Semiconductor Group |
10 / 17 page Semiconductor Group 135 Telegram Examples Start-AB-DB1-DB2-CI-Stop Start = start condition AB = address byte Start-AB-CI-DB1-DB2-Stop DB1 = divider byte 1 Start-AB-DB1-Stop DB2 = divider byte 2 CI = control information Start-AB-CI-Stop Stop = stop condition Converter Mixer + VCO In the converter mixer the sound subcarriers (frequency band approx. 5 to 9 MHz) contained in the baseband of the received composite signal are converted to an output frequency of 10.52 MHz or 10.7 MHz for example. The two mixer outputs are designed as open-collector outputs. The VCO has internal feedback and its frequency of 15.5 to 19.7 MHz is determined by an external resonant circuit with a varactor diode that is tuned by the PLL. The resonant circuit is connected to the supply voltage by its low side. IF-Limiter with Demodulators The limiter amplifiers are implemented as balanced five-stage, capacitively coupled differential amplifiers. All there limiter inputs have a common reference (pin 22). The output signals of the limiter amplifiers are fed direct and via an external phase-shifter circuit to the coincidence demodulators. The AF-signals can be brought out an disconnectible (by Z2, Z1, Z0) AF output stages. The outputs are high-impedance when they are disconnected. TDA 6160-2S |
Аналогичный номер детали - TDA6160-2S |
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Аналогичное описание - TDA6160-2S |
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