Temperature independent delay circuits

Details Temperature independent delay circuits Temperature independent delay circuits

2008-10-10

2010-06-08

Luu, An T (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

C327S270000, C327S283000, C327S290000, C327S513000

Reexamination Certificate

active

07733148

ABSTRACT:
Delay circuits are provided. Some embodiments of delay circuits herein include a delay line including multiple delay cells connected in series and a variable voltage supplier operative to output a voltage value proportional and/or inversely proportional to a temperature. Delay circuits may include at least one loading capacitor that includes a first end that is connected to an output port of the delay cell and a second end that is connected to an output port of the variable voltage supplier, the at least one loading capacitor including a capacitance that is decreased corresponding to an increase in temperature when a positive voltage is applied across the first end and the second end of the at least one loading capacitor.

REFERENCES:
patent: 5864258 (1999-01-01), Cusinato et al.
patent: 6842078 (2005-01-01), Manna et al.
patent: 7061334 (2006-06-01), Baig et al.
patent: 7605668 (2009-10-01), Fayneh et al.
patent: 2005-102007 (2005-04-01), None
patent: 2006-165512 (2006-06-01), None
patent: 1999-0069093 (1999-09-01), None

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