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TDA7021 Datasheet(PDF) 10 Page - NXP Semiconductors

Part No. TDA7021
Description  FM radio circuit for MTS
Download  13 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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TDA7021 Datasheet(HTML) 10 Page - NXP Semiconductors

 
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May 1992
10
Philips Semiconductors
Product specification
FM radio circuit for MTS
TDA7021T
Note to Fig. 9
This test set-up is to incorporate the circuit of Fig.5 for mono operation or the circuit of Fig.8 for stereo operation.
For either circuit, replace the 100 nF capacitor at pin 6 with R6 (100 k
Ω) as shown above.
Selectivity
S+300 = 20 log
Vo | (300 kHz − fi)
S−300 = 20 log
Vo | (300 kHz + fi)
Vo | fi
Vo | fi
Fig.9 Test set-up; Vi = 30 mV; fi = 76 kHz; selective voltmeter at output has Ri ≥ 1 MΩ and Ci ≤ 8 pF; fo = fi.


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