Integrated dynamic amplitude limiter independent of the supply v

Details Integrated dynamic amplitude limiter independent of the supply v Integrated dynamic amplitude limiter independent of the supply v

1992-09-11

1994-07-12

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307264, 307359, 307493, 307555, 307491, H03K 508, H03K 502

Patent

active

053291913

ABSTRACT:
An integrated dynamic amplitude limiter is disclosed for limiting the deviation of a transmitter operating at audio frequencies. In an amplitude limiter according to the invention, a dynamic AGC amplifier block (1), a level clipper block (3) and a block (2) which forms the higher and lower limiting levels are implemented using switched capacitors (SC), and they are formed into an integrated amplitude limiter circuitry, and the voltages which define the higher and lower limiting levels are formed from the voltage of the band-gap voltage reference (Vbgref), which voltage is formed in relation to the virtual ground voltage of the amplifier circuitry, in which case the limiting levels are independent of the supply voltage (Vdd).

REFERENCES:
patent: 3879672 (1975-04-01), Milanes
patent: 4334185 (1982-06-01), Turney et al.
patent: 4382198 (1983-05-01), Ishijima et al.
patent: 4453258 (1984-06-01), Richardson
patent: 4542349 (1985-09-01), Hoeft
patent: 4691172 (1987-09-01), Fukahori et al.
patent: 4709204 (1987-11-01), Hayakawa
patent: 4802236 (1989-01-01), Walczak et al.
Gregorian et al., Analog MOS Integrated Circuit for Signal Processing, John Wiley & Sons, New York, 1986, pp. 412-425, 272-273 and 278-279.
Fotouhi et al., A Single-Chip High-Speed CMOS Analog Modem Front-End, IEEE Journal of Solid State Circuits, 1983, pp. 84-88.
Patent Abstracts of Japan, vol. 4, No. 87 (E-16)(569), Jul. 21, 1980 & JP-A-55 52 618 (Mitsubishi Precision K.K.).
Phillip E. Allen et al., CMOS Analog Circuit Design, published by Holt, Rinehart and Winston, Inc., 1987, p. 360.

Affiliated with

Also associated with

Rating

Integrated dynamic amplitude limiter independent of the supply v does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Integrated dynamic amplitude limiter independent of the supply v, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Integrated dynamic amplitude limiter independent of the supply v will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-399054