Amplifiers – Combined with automatic amplifier disabling switch means
Patent
1999-11-23
2000-09-12
Pascal, Robert
Amplifiers
Combined with automatic amplifier disabling switch means
330 9, 330109, H03F 114, H03F 102, H03F 136
Patent
active
061183385
ABSTRACT:
An amplifier/switch circuit includes a first circuit input, a second circuit input, a circuit output, an amplifier, a switching circuit and a DC blocking capacitor. The amplifier has an amplifier control input, a first amplifier output and a second amplifier output. The amplifier control input is connected to the first circuit input. The first amplifier output is connected to the second circuit input. The second amplifier output is connected to the circuit output. A switching circuit has a switch control input, a switch input and a switch output. The switch control input is connected to the circuit output. The control input is connected to the second circuit input. The DC blocking capacitor is connected between the amplifier control input of the first transistor and the switch input.
REFERENCES:
patent: 5206603 (1993-04-01), Kilian
patent: 5796300 (1998-08-01), Morgan
patent: 6025752 (2000-02-01), Zhou et al.
Ray Moroney, Kevin Harrington, Wayne Struble, Brian Khabbaz, Mike Murphy, A High Performance Switched-LNA IC for CDMA Handset Receiver Applications, 1998 IEEE Radio Frequency Integrated Circuits Symposium, p. 43-46.
Frank Michael Louis
Morkner Henrik
Agilent Technologies
Nguyen Patricia T.
Pascal Robert
LandOfFree
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