H - Electricity – 04 – L
Patent
H - Electricity
04
L
354/71, 354/98
H04L 27/12 (2006.01) H04L 27/20 (2006.01)
Patent
CA 1251566
DIGITAL SIGNAL GENERATING DEVICE ABSTRACT OF THE DISCLOSURE A digital signal generating device for generating a digital FSK signal or a signal including two mixed frequencies, comprising a ROM which stores sampled data obtained by sampling a sine wave. By switching an extracting step number from one to the other as a read address, a desired FSK signal is obtained. By changing alternate data extracted from the ROM to be "0", the signal having two mixed frequencies is obtained.
467981
Ogawa Yasunori
Sano Shigeo
Shimozono Ryoji
Tanaka Yasuo
Fujitsu Limited
Mcfadden Fincham
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