Low cost very small aperture satellite terminal

Details Low cost very small aperture satellite terminal Low cost very small aperture satellite terminal

1995-09-05

1998-08-04

Chin, Stephen

Pulse or digital communications

Transmitters

Angle modulation

375303, 375305, 332100, 332117, 455121, 455113, 455118, 455119, 455126, H03K 706

Patent

active

057906017

ABSTRACT:
A remote ground terminal transmitter for transmitting a modulated data signal having a constant envelope amplitude. The remote ground terminal transmitter comprises a source of data signals, a modulator for providing a carrier signal, receiving a data signal from the source of data signals, and modulating the carrier signal with the received data signal so as to produce a constant envelope minimum shift key modulation signal. The transmitter further comprises a power amplifier which operates in the saturation mode to amplify the modulated carrier signal produced by the modulator to the desired power level.

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Hannah et al., U.S. Patent Application Serial No. 08/405,688, "Very Small Aperture Satellite Terminal," filed Mar. 17, 1995.
S. Kumar et al, "Direct Generation of MSK Modulation at microwave frequencies", Conference 1981 IEEE MTT-S International Microwave Symposium Digest, Los Angeles, CA, USA, Jun. 1981.
Yoshiteru Morihiro et al, "A 100 Mbit/s Prototype MSK Modem for Satellite Communications", IEEE Transactions on Communications, vol. COM-27, No. 10, Oct. 1979.

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