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TDA6151-5 Datasheet(PDF) 1 Page - Siemens Semiconductor Group |
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TDA6151-5 Datasheet(HTML) 1 Page - Siemens Semiconductor Group |
1 / 15 page The video circuit for a satellite application consists of a voltage controlled AGC-amplifier, driver for two external de-emphasis networks, followed by a three-stage switch. An additional baseband output is available via a driver. The output signal of the video switch is applied to a video clamping circuit, this clamping circuit removes the energy dispersal signal from the video signal. The clamped signal is applied via a video switch to the SCART-output. Circuit Description The demodulated FM-satellite video signal is fed via a buffer amplifier to a gain controlled amplifier. The gain control is done using an external applied DC-voltage. The output signal of this amplifier is used to drive three separate signal pathes. First of all the baseband is fed via a high pass filter with a cut off frequency of approx. 4 MHz to the input of a SAT-TV-sound processor, e.g. TDA 6160 X. A second output with a buffer amplifier is used to drive two external de-emphasis networks. After passing through the de-emphasis networks the baseband signals are fed into two inputs of the de- Type Ordering Code Package TDA 6151-5 Q67000-A5175 P-DIP-20-1 TDA 6151-5X Q67000-A5074 P-DSO-20-1 (SMD) Satellite-Video IC Preliminary Data Bipolar IC TDA 6151-5 TDA 6151-5X Features q Adjustable gain for different FM deviations q Video buffer and special baseband output for the sound processor SDA 6102-5X are available q Clamping circuit for elimination of "Energy Dispersal" signal q Built-in video switch for external applied video signal q Application in satellite receiving systems. Semiconductor Group 1 04.95 P-DIP-20-1 P-DSO-20-1 |
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