78 10 6 v2 hz 4 15 d er per bit1 n0 ts 0 2

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Unformatted text preview: v m (t ) = cos(2f m t ) FM v FM (t ) vm (t ) BPF v LO2 (t ) = Ac cos(2f 2 t ) Frequency Multiplier n Frequency Modulator K FM Channel vLO1 (t ) = 2 cos(2f1t ) n(t ) Local Oscillator 2 Local Oscillator 1 Tuning v sim (t ) x (t ) RF Filter Mixer 1 IF Filter 1 Mixer 2 IF Filter 2 v LO = 2 cos(2 f 3t ) 3 Local Oscillator 4 Frequency Detector Tuning Local Oscillator 3 X d (t ) LPF 5 : 1 for f B BPF BBPF = BFM H BPF ( jf ) = (1 0 .(Carson BFM ) 1 for f B IF1 1; f B RF ; H IF1 ( jf ) = ; H RF ( jf ) = (2 0 0; otherwise 1 for f B IF 2 - B IF1 , RF - B RF H IF 2 ( jf ) = 0 . IF2 - B IF 2 , IF1 1; f f m (3 H LPF ( jf ) = 0; otherwise . f 3 > f C , v LO3 (t ) = 2 cos(2f 3t ) : Local Oscillator 3 (4 N 0 2 = 10 - 6 V2 Hz 0 - n (t ) (5 k ch = -20dB (6 x(t ) = v r (t ) + v sim (t ) + n(t ) (7 ....
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This note was uploaded on 05/01/2008 for the course COM ENG 909 taught by Professor Drj during the Spring '08 term at Ben-Gurion Uni..

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