Amplifiers – With semiconductor amplifying device – Including temperature compensation means
Patent
1977-06-13
1978-10-24
Dahl, Lawrence J.
Amplifiers
With semiconductor amplifying device
Including temperature compensation means
330288, 330296, H03F 132
Patent
active
041224035
ABSTRACT:
A common emitter amplifier having a resistor in series with its emitter and a resistor in series with its collector is temperature stabilized by providing a current source in parallel with the resistor in series with the collector. The current source provides additional emitter current to the transistor to decrease the transistors internal AC emitter resistance. Cascoded transistors are also used to improve the performance of the amplifier.
REFERENCES:
patent: 3546614 (1970-12-01), Lochstampfer
Barbee Joe E.
Dahl Lawrence J.
Motorola Inc.
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