Radio receivers

Details Radio receivers Radio receivers

1997-03-05

1998-12-29

Chin, Wellington

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

4552501, 4552341, H04B 106

Patent

active

058549730

ABSTRACT:
A receiver including an rf amplifier(14) having an input, an output and a gain control input(38), for deriving a gain control signal. A gain control (36) responsive to the gain control signal. The gain control (36) comprises at least 2 parallel arranged bias currents (40,42,44), at least one(42 or 44) of the 2 bias current means including switching means(SW1 or SW2) responsive to a control voltage varying by a predetermined amount relative to a reference voltage(V.sub.ref1 or V.sub.ref2) for actuating the switching means(SW1 or SW2) to connect or disconnect the bias current (42 or 44) to or from the gain control input.

REFERENCES:
patent: 4812908 (1989-03-01), Frequin
patent: 4885802 (1989-12-01), Ragan
patent: 5263194 (1993-11-01), Ragan
patent: 5448756 (1995-09-01), Deluca et al.
patent: 5513387 (1996-04-01), Saito et al.

Affiliated with

Also associated with

Rating

Radio receivers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Radio receivers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radio receivers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1430512