Voltage follower

Details Voltage follower Voltage follower

1985-05-06

1987-04-21

Wan, Gene

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330149, H03F 345, H03F 126

Patent

active

046599983

ABSTRACT:
For a voltage follower unity gain amplifier, used, for instance, as a buffer in a transceiver associated with a data bus, the input signal is fed forward to a comparator (T2-T3) to which the output is also applied. The input is also applied via an amplifier stage (T5-T6) to a transistor (T4) in the commoned circuit of the comparator, which is a long-tailed pair. Thus, with a connection from the output of the circuit which includes another transistor (T9), provides negative feedback round the comparator, gives a highly stable current.

REFERENCES:
patent: 4335359 (1982-06-01), Kriedt et al.

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