Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Patent
1995-03-07
1997-10-14
Pham, Chi H.
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
4551821, 4551822, 4551922, 4551961, H04B 126
Patent
active
056782233
ABSTRACT:
A receiver circuit (10), and method for automatic frequency control of a receiver circuit (10) suitable for receiving a radio frequency (RF) signal, featuring determination of at least one parameter other than a frequency error of a signal which is mixed with the RF signal received by the receiver circuit; and adjusting the frequency of the signal which is mixed with the RF signal based on the frequency error if the at least one parameter satisfies a predetermined criterion.
REFERENCES:
patent: 4403345 (1983-09-01), Granek et al.
patent: 4405897 (1983-09-01), Taylor et al.
patent: 4885802 (1989-12-01), Ragan
patent: 5341402 (1994-08-01), Matsushita et al.
Callaway, Jr. Edgar Herbert
Hughes James David
Kampe Frederick Loring
Pace Gary Lee
Arthur Gertrude
Bernstein Aaron B.
Floam D. Andrew
Motorola Inc.
Pham Chi H.
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