Low pass filter formed in an integrated circuit

Details Low pass filter formed in an integrated circuit Low pass filter formed in an integrated circuit

1986-03-12

1987-12-29

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307265, 307234, 328111, H03K 1728

Patent

active

047163186

ABSTRACT:
A low pass filter which has a plurality of NAND gates connected in series. Input signals are input directly to one input terminal of each of the respective NAND gates, respectively. Input signals are input through a plurality of inverters to the NAND gate of the initial stage. The NAND gate of the final stage is connected through even number of inverters to a circuit output node N2. An odd number of inverters are provided between the preceding and following NAND gates.

REFERENCES:
patent: 3828258 (1974-08-01), Hills et al.
patent: 3835336 (1974-09-01), Block
patent: 3993954 (1976-11-01), Sugai
patent: 4061976 (1977-12-01), Sugai
patent: 4233525 (1980-11-01), Takahashi et al.
patent: 4583008 (1986-04-01), Grugett

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