independent sideband transmitter.pptx
Post on 30-Nov-2015
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DESCRIPTION
Independent Sideband Transmitter powerpoint Amplitude modulation transmitter receiver
TRANSCRIPT
• Independent sideband (ISB) is an AM single sideband mode which is used with some AM radio transmissions. Normally each sideband carries identical information, but ISB modulates two different input signals — one on the upper sideband, the other on the lower sideband.
100-KHz LF Osc.
CH. A
CH.B
Balanced Modulator A
Carrier Reinsert Switch
Balanced Modulator B
BPF A
BPF B
Hybrid Network
Linear Summer
100-105KHz
95-100KHz
Balanced Modulator 3 Band Pass
Filter 3
Balanced Modulator 4 Band Pass
Filter 4
2.7 MHz MF Oscillator
25 MHz HF Oscillator
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