Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1983-06-09
1986-02-18
Anagnos, Larry N.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307449, 307491, 307594, 307601, 307605, 307578, H03K 5135, H03K 333, H03K 17284, H03K 17693
Patent
active
045715033
ABSTRACT:
A clock generator (21) for use in a random access memory includes a delay circuit (35) for delaying an input signal for a predetermined time, independent of supply voltage level. The generator (21) includes a driver circuit (34) responsive to the delayed input signal and at least one constant-resistance transistor (48, 50). The transistor (48, 50) has a control electrode supplied with a predetermined constant voltage independent of the power supply voltage for providing a high ON resistance that is also independent of the power supply voltage. Through operation of the constant-resistance transistor (48, 50) the delay time of the delay circuit (35) and thus the clock signal is made independent of any variation in the power supply voltage.
REFERENCES:
patent: 3778784 (1973-12-01), Karp et al.
patent: 3969706 (1976-07-01), Proebsting et al.
patent: 4090096 (1978-05-01), Nagami
patent: 4239991 (1980-12-01), Hong et al.
patent: 4275313 (1981-06-01), Boll et al.
patent: 4443714 (1984-04-01), Nakano et al.
patent: 4447745 (1984-05-01), Takamae et al.
patent: 4472643 (1984-09-01), Furuyama
patent: 4472644 (1984-09-01), Kirsch
Anagnos Larry N.
Mitsubishi Denki & Kabushiki Kaisha
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