Sample-and-hold unit with high sampling frequency

Details Sample-and-hold unit with high sampling frequency Sample-and-hold unit with high sampling frequency

1990-04-26

1991-05-21

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

Digital processing

307352, 328151, G01S 702

Patent

active

050179241

ABSTRACT:
Disclosed is a sample-and-hold unit more especially designed to work at microwave frequencies (>1 GHz). In order to increase the sampling frequency, the disclosed circuit has at least two identical parallel channels. Each channel has a first follower switch (9) a capacitor (11) and a second holding switch (15). The channels are controlled by a single clock, the complementary or phase-shifted signals (H, H) of which address the samples sequentially towards the output (8). The disclosed device can be applied to the processing of analog signals.

REFERENCES:
patent: 3701152 (1972-10-01), Howard
patent: 4512000 (1985-04-01), Masuko
patent: 4516126 (1985-05-01), Masak et al.
patent: 4652882 (1987-03-01), Shovlin et al.
patent: 4697184 (1987-09-01), Cheal et al.
patent: 4721924 (1988-01-01), Masdea et al.

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