Telecommunication terminal with voltage controller having a phas

Details Telecommunication terminal with voltage controller having a phas Telecommunication terminal with voltage controller having a phas

1996-06-14

1998-02-03

Berhane, Adolf

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323280, G05F 156

Patent

active

057148724

ABSTRACT:
A telecommunication terminal has a voltage controller (8) which controller forms at least part of an integrated circuit (1) and includes a differential amplifier (14) having a first input (+) for receiving a reference voltage (UREF), means (16, 20) for applying a load current (22) that is provided with at least one phase shifting component (23) as a function of an output voltage of the differential amplifier (14), and a feedback path for feeding back a voltage drop at the load (22) to the second (-) of the two inputs of the differential amplifier. To provide a maximum suppression of disturbances of the output voltage over a wide frequency range and guarantee the stability of the voltage controller, the phase shifting component (23) is arranged outside the integrated circuit (1) and a plurality of separate pins (4, 5) of the integrated circuit (1) are provided for coupling the phase shifting component (23) to the output of the means (16, 20) for producing a load current and to the feedback path. The invention likewise relates to a respective integrated circuit.

REFERENCES:
patent: 4968928 (1990-11-01), Heider
patent: 5264782 (1993-11-01), Newton
patent: 5517399 (1996-05-01), Yamauchi et al.

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