| Patent Number |
Title Of Patent |
Date Issued |
| 5839060 |
Logarithmic level detector and a radio receiver |
November 17, 1998 |
| A logarithmic level detector that provides a very accurate level detector output signal that is greatly insensitive to temperature and process spread. The logarithmic level detector includes a weighted summed reference circuit which is subtracted from a level output signal of the cas |
| 5220686 |
Tunable resonance amplifier |
June 15, 1993 |
| An amplifier with a non-regenerative DC negative feedback loop which incorporates first and second first-order low-pass RC filters, has a signal path arranged from an input to an output and a feedback path arranged from the output to the input, and has a controlled loop gain. To prov |
| 5093635 |
Controllable oscillator having transconductance circuits with amplitude stabilization |
March 3, 1992 |
| Controllable oscillator circuit comprising a regenerative loop which incorporates a cascade circuit of first and second sections each having a controllable gain and a phase shift which is 90.degree. at the oscillation frequency, and an amplitude detection arrangement which is coupled bet |