Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7378911 | Wideband ultra low noise amplifier A circuit and method of reducing noise in the circuit comprises a first transistor and an amplifier operatively connected to the first transistor, wherein the amplifier comprises a plurality of transistors and is adapted to amplify an input signal, and wherein the i... | 05/27/2008 |
| 7269391 | Tunable transceiver front end A transceiver front end includes a transmit/receive (T/R) switch, a first balun, a second balun, a low noise amplifier, a power amplifier, and compensation circuitry. The T/R switch is operably coupled to an antenna for receiving inbound radio frequency (RF) signals... | 09/11/2007 |
| 6873210 | Single-ended-to-differential converter with common-mode voltage control Provided is a circuit to perform single-ended to differential conversion while providing common-mode voltage control. The circuit includes a converter to convert a single-ended signal to a differential signal and a stabilizing circuit adapted to receive the differen... | 03/29/2005 |
| 6813486 | RF circuit An RF circuit configured to inteface a balanced port (1, 2, 11, 12) with an unbalanced port (4, 14) by emulating the function of a balun. Reactive components (20, 30, 120, 130) in both branches of a balanced circuit form two resonant circuits by... | 11/02/2004 |
| 6727756 | Single-ended-to-differential converter with common-mode voltage control Provided is a circuit to perform single-ended to differential conversion while providing common-mode voltage control. The circuit includes a converter to convert a single-ended signal to a differential signal and a stabilizing circuit adapted to receive the differen... | 04/27/2004 |
| 6696902 | Circuit for interfacing a balanced radio frequency power amplifier with an unbalanced load A circuit interfacing a balanced RF power amplifier with unbalanced load has a first shunt inductor and a series capacitor connected to a first output and a first shunt capacitor and series inductor connected to a second output of amplifier. The circuit c... | 02/24/2004 |
| 5177449 | Radio frequency amplifier circuit A radio frequency amplifier comprises a differential amplifier having a pair of differential first and second transistors and a first and a second load resistor; an emitter grounded amplifier having a third transistor and a third load resistor; and a refe... | 01/05/1993 |
| 4453130 | Switched-capacitor stage with differential output A differential output is provided from a single-ended input by a switched-capacitor stage having a through-switched capacitor coupled via an amplifier to one output terminal and a diagonally-switched capacitor coupled via an amplifier to another output te... | 06/05/1984 |
| 4281282 | High positive and negative voltages programmed by a low voltage returned to common Two high voltage power supplies having negative outputs with respect to common are combined to provide positive as well as negative output with respect to common. An operational preamplifier is used as an inverter. The combination includes provision for p... | 07/28/1981 |
