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Class Information
Number: 330/275
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including push-pull amplifier > Having balanced to unbalanced circuitry and vice versa
Description: Subject matter wherein one of the signal input means or signal output means is coupled to or from the semiconductor amplifier by a balanced circuit, the other signal coupling means coupled to or from the semiconductor amplifier balanced circuit.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7368990 |
Differential amplifier and data driver employing the differential amplifier |
May. 6, 2008 |
| 7368995 |
Power amplifier with active bias circuit |
May. 6, 2008 |
| 7233201 |
Single-ended pseudo-differential output driver |
Jun. 19, 2007 |
| 7199665 |
Single to dual non-overlapping converter |
Apr. 3, 2007 |
| 7107025 |
High gain, highly linear mixer |
Sep. 12, 2006 |
| 7088185 |
Antenna diversity structure for use in a radio frequency integrated circuit |
Aug. 8, 2006 |
| 6900705 |
Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the same |
May. 31, 2005 |
| 6891432 |
Apparatus, methods and articles of manufacture for electromagnetic processing |
May. 10, 2005 |
| 6882228 |
Radio frequency integrated circuit having an antenna diversity structure |
Apr. 19, 2005 |
| 6813486 |
RF circuit |
Nov. 2, 2004 |
| 6636116 |
Fully differential current feedback amplifier |
Oct. 21, 2003 |
| 5844443 |
Linear high-frequency amplifier with high input impedance and high power efficiency |
Dec. 1, 1998 |
| 5828269 |
High-frequency amplifier with high input impedance and high power efficiency |
Oct. 27, 1998 |
| 5781072 |
Dual push-pull amplifier circuit and method |
Jul. 14, 1998 |
| 5778303 |
Multiplexed audio-video signal transmission system through pair-wire |
Jul. 7, 1998 |
| 5684432 |
Amplifier output stage having enhanced drive capability |
Nov. 4, 1997 |
| 5420536 |
Linearized power amplifier |
May. 30, 1995 |
| 5382919 |
Wideband constant impedance amplifiers |
Jan. 17, 1995 |
| 5285170 |
Operational amplifier with all NPN transistor output stage |
Feb. 8, 1994 |
| 5243623 |
Switchable multi-mode transceiver interface device |
Sep. 7, 1993 |
| 5204880 |
Differential line driver employing predistortion |
Apr. 20, 1993 |
| 5107223 |
Phase inverter and push-pull amplifier using the same |
Apr. 21, 1992 |
| 5061910 |
Balun transformers |
Oct. 29, 1991 |
| 5057719 |
Passively forced current sharing among transistors |
Oct. 15, 1991 |
| 5053719 |
Wide-band push-pull amplifier |
Oct. 1, 1991 |
| 4994755 |
Active balun |
Feb. 19, 1991 |
| 4713838 |
Amplifier with double rail output |
Dec. 15, 1987 |
| 4705967 |
Multifunction floating FET circuit |
Nov. 10, 1987 |
| 4633191 |
Transformer isolated high voltage, high power amplifier system |
Dec. 30, 1986 |
| 4611178 |
Push-pull output circuit |
Sep. 9, 1986 |
| 4587494 |
Quasi-complementary class B IC output stage |
May. 6, 1986 |
| 4553073 |
Deflection control circuit with level conversion |
Nov. 12, 1985 |
| 4538116 |
Output stage for an operational amplifier |
Aug. 27, 1985 |
| 4453134 |
High voltage operational amplifier |
Jun. 5, 1984 |
| 4405902 |
Push-pull output stage |
Sep. 20, 1983 |
| 4355287 |
Bridge amplifiers employing complementary field-effect transistors |
Oct. 19, 1982 |
| 4318052 |
Wideband high voltage video amplifier |
Mar. 2, 1982 |
| 4283683 |
Audio bridge circuit |
Aug. 11, 1981 |
| 4254380 |
Bridge amplifier |
Mar. 3, 1981 |
| 4199731 |
Reversable electrically alterable amplifier configurations |
Apr. 22, 1980 |
| 4153883 |
Electrically alterable amplifier configurations |
May. 8, 1979 |
| 4058775 |
Over-current prevention circuitry for transistor amplifiers |
Nov. 15, 1977 |
| 4004240 |
Phase-splitter circuits |
Jan. 18, 1977 |
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