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| Number | Title | Issue Date |
| 4366444 | Temperature-independent current trimming arrangement A current amplifier includes six transistors of like conductivity on a substrate, the first and second transistors being diode-connected to receive input current, and the third and fourth having their main conduction paths serially connected with those of... | 12/28/1982 |
| 4352053 | Temperature compensating voltage generator circuit A temperature compensating voltage generator circuit for compensating temperature characteristics of an electric circuit whose electrical characteristic varies in accordance with the change of the ambient temperature and whose electrical characteristic ca... | 09/28/1982 |
| 4348633 | Bandgap voltage regulator having low output impedance and wide bandwidth In a solid state temperature compensated voltage supply, a differentially coupled pair of transistors is employed to produce a first voltage having a negative temperature coefficient utilizing a unity gain negative feedback amplifier configuration. Means ... | 09/07/1982 |
| 4340866 | Thermally-compensated variable gain differential amplifier A linear wideband differential amplifier includes a variable gain stage comprising two cross-coupled differential amplifiers and differential current source to compensate for thermal distortion, to minimize transient response distortion, and to eliminate ... | 07/20/1982 |
| 4336502 | Amplifier with input stage differential amplifying circuit To the respective drains of a pair of FET's which constitute an input stage differential amplifier circuit are cascade-connected a first transistor and a second transistor, respectively, whose bases are connected in common. To a pair of active elements of... | 06/22/1982 |
| 4326171 | Temperature compensating pressure sensor amplifier circuits An amplifier circuit is disclosed for temperature compensating the output voltage thereof with respect to undesirable temperature induced signals from a silicon pressure transducer and/or from components of the amplifier itself. The amplifier includes a f... | 04/20/1982 |
| 4323854 | Temperature compensated current source A temperature compensated current source includes three successive source current paths to produce a controlled output current. Each current path has a different value of current flowing therein so that current fluctuations in one current path will tend t... | 04/06/1982 |
| 4318187 | Phase tolerant magnetic bubble memory sense amplifier A temperature compensated, phase tolerant sense amplifier for use in a magnetic bubble memory system in which current is applied to the detector resistors only during a bubble detect operation.... | 03/02/1982 |
| 4287439 | MOS Bandgap reference A bandgap voltage reference source is provided which is temperature stable or temperature controlled and can be made by standard CMOS process. The reference has two substrate bipolar transistors with the emitter current density of one of the transistors b... | 09/01/1981 |
| 4287478 | Amplifier arrangement comprising two transistors A symmetrical amplifier comprising two transistors having their emitters connected to ground via two resistors of equal value. An input signal is applied between the bases of the transistors and an output signal is available at the collectors of the trans... | 09/01/1981 |
| 4283641 | Feedback biasing circuit arrangement for transistor amplifier A circuit suitable for providing constant current bias for I.C's includes two transistors arranged to pass current in parallel in which base emitter voltage applied to one transistor is derived from the base emitter voltage applied to the other transistor... | 08/11/1981 |
| 4282641 | Method of converting motor car A conventional four-door car with its body bolted to the frame is converted to a car with a lengthened engine compartment and a body which is correspondingly shortened immediately behind the door posts, and with the original frame intact and unchanged. Lo... | 08/11/1981 |
| 4261044 | Temperature compensated magnetic bubble memory sense amplifier A temperature compensated, phase tolerant sense amplifier for use in a magnetic bubble memory system in which current is applied to the detector resistors only during a bubble detect operation.... | 04/07/1981 |
| 4238738 | Temperature-compensated amplifier circuit A temperature-compensated amplifier circuit including an amplifier section having first and second transistors which are connected at their collectors to a power source terminal through first and second resistors, and having d.c. biased bases coupled to s... | 12/09/1980 |
| 4215317 | Compensated operational amplifier circuit A thermal drift compensation circuit for operational amplifiers wherein a second operational amplifier is utilized to sense the error voltage between the input terminals of a first operational amplifier and generate a current therefor which compensates fo... | 07/29/1980 |
| 4207537 | Differential field effect transistor amplifier having a compensating field effect transistor current source An amplifier circuit is disclosed which includes a current supply circuit having a field effect transistor and negative feedback for degenerating the magnitude of the current supplied thereby. The negative feedback can be provided by a diffused resistor c... | 06/10/1980 |
| 4204133 | Temperature-sensitive control circuits The emitter-to-base potential of a first transistor operated at predetermined current level is scaled up and applied as the emitter-to-base potential of a second transistor. The resulting collector current of the second transistor decreases with increasin... | 05/20/1980 |
| 4198581 | Temperature compensating comparator An emitter-coupled differential comparator compares a horizontal rate ramp signal with a vertical-frequency parabola in a television context for producing horizontal rate pulses duration-modulated at the vertical rate. The comparator is arranged to compen... | 04/15/1980 |
| 4182962 | Semiconductor temperature compensation circuit A semiconductor device which comprises a first current path formed of a first load, an n number of first transistors, each of whose bases is supplied with an input signal, a second transistor whose base is connected to a first bias power source, and an em... | 01/08/1980 |
| 4150309 | Transistor circuit having a plurality of constant current sources A transistor circuit having a plurality of constant current sources wherein a compensating resistor of a predetermined value is inserted between the base of the transistor of one of the constant current sources and a reference voltage supply terminal. The... | 04/17/1979 |
| 4055811 | Transistor amplifiers The collector currents of first and second junction transistors which have base electrodes biased at the same quiescent potential and have emitter electrodes connected via respective emitter degeneration resistances to a common point, are adjusted relativ... | 10/25/1977 |
| 4050030 | Offset adjustment circuit An offset adjustment circuit for a differential amplifier includes a current source connected in series with a resistor for establishing a biasing voltage for a pair of field effect transistors (FET) having variable resistors in their biasing circuits. Th... | 09/20/1977 |
| 4042886 | High input impedance amplifier circuit having temperature stable quiescent operating levels An amplifier configuration is disclosed which utilizes a resistive, positive feedback network to develop a high input impedance. The amplifier, which is suitable for manufacture in monolithic integrated circuit form, includes a pair of differential transi... | 08/16/1977 |
| 4041407 | Driver circuit for developing quiescent and dynamic operating signals for complementary transistors The driver circuit includes a differential amplifier, a double-to-single ended converter, an emitter follower amplifier and an output stage having one portion for driving one external complementary transistor and another portion for driving another comple... | 08/09/1977 |
| 3978418 | Low frequency electro-thermal filter A low frequency electro-thermal filter includes a pair of thermally coupled transistorized differential amplifiers. One of the differential amplifiers comprises a pair of heater transistors and the other differential amplifier includes a pair of sensor tr... | 08/31/1976 |
| 3965371 | Temperature compensated video signal processing circuit with a video signal clipping device A temperature dependent variation of the voltage drop across a clipping pn junction device which causes the clipping voltage level of a DC restored video signal to vary is compensated by the base-to-emitter voltage variation of an emitter follower transis... | 06/22/1976 |
| 3938054 | Transistor amplifier First and second transistors have their emitter electrodes connected to receive operating current from the same supply. A current amplifier has its input circuit connected to sense the base current of the second transistor and its output circuit connected... | 02/10/1976 |
