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KMID : 0896219920130011107
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Journal of Daegu Health College
1992 Volume.13 No. 1 p.1107 ~ p.1119
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A NETWORK WITH CONTROLLABLE BANDWIDTH FOR FM RADIO RECEIVERS
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Kwag Jung-Geun
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Abstract
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This paper describes the system concept of controllable intermediate frequency(IF) bandwidth(BW) for FM radio receivers, which provide value improvement of the performance parameters for consumer expectation, i.e, signal to noise ratio(SNR), selectivity, and distortion. The proposed circuit has 4-diode bridge circuit. Provided that the diodes are identifical in characteristics, it follows from the complete symmetry of the circuit that no pedestal can appear at the output in response to the gating voltages.
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KEYWORD
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