Current ramp generator

Details Current ramp generator Current ramp generator

1982-08-30

1985-03-12

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Generators

307228, G11C 1908, H03K 408

Patent

active

045049289

ABSTRACT:
A current ramp generator is provided for controlling the fall time of a bubble generate waveform of a bubble memory system. Gate circuitry is responsive to a digital input signal and provides an initializing signal to a current source. The current source charges a capacitor and thereby provides an increasing signal to a current mirror whose output sinks current from a control amplifier of the bubble memory system.

REFERENCES:
patent: 4009398 (1977-02-01), Yamada et al.

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