| 10763786 |
Differential crystal oscillator |
Andreas Wichern |
2020-09-01 |
| 8004365 |
Amplifier circuit |
— |
2011-08-23 |
| 7528679 |
Circuit arrangement for shifting the phase of an input signal and circuit arrangement for suppressing the mirror frequency |
— |
2009-05-05 |
| 6937871 |
Anti-demodulator circuit, filtering device and demodulator circuit |
— |
2005-08-30 |
| 6384673 |
Current mirror arrangement |
Dieter Janta |
2002-05-07 |
| 6307418 |
Rectifier circuit |
— |
2001-10-23 |
| 6300811 |
Differential amplifier |
— |
2001-10-09 |
| 6281750 |
Transistor amplifier |
— |
2001-08-28 |
| 5977827 |
Circuit arrangement including a differential amplifier stage |
— |
1999-11-02 |
| 5963082 |
Circuit arrangement for producing a D.C. current |
Andreas Wichern |
1999-10-05 |
| 5943612 |
Radio receivers |
— |
1999-08-24 |
| 5936468 |
Operational amplifier having two differential amplifiers |
Peter Wiese |
1999-08-10 |
| 5864256 |
Circuit arrangement with a filter quadripole |
Manfred Biehl, Winfried Jansen, Bernd Pille, Norbert Wirges |
1999-01-26 |
| 5818279 |
Circuit arrangement comprising a logarithmic transfer function |
— |
1998-10-06 |
| 5734974 |
Selective call receivers with stepwise variable gain control |
Edgar H. Callaway, Jr., James G. Mittel, Vance H. Peterson, Knud Holtvoeth, Wilfried Knop |
1998-03-31 |
| 5608349 |
Circuit arrangement with adjustable amplitude-frequency response |
— |
1997-03-04 |
| 4845441 |
Amplifier circuit with bipolar transistors |
— |
1989-07-04 |
