共 50 条
- [1] INEXPENSIVE CHOPPER-AMPLIFIER FOR WEAK DC SIGNALS. Electronic Engineering (London), 1980, 52 (642):
- [2] DIFFERENCE-FORMING CHOPPER-AMPLIFIER WITH GALVANIC SEPARATION OF BOTH INPUT SIGNALS ATM MESSTECHNISCHE PRAXIS, 1975, (470): : 51 - 52
- [5] INEXPENSIVE AUDIO AMPLIFIER FOR BIOELECTRIC SIGNALS AMERICAN JOURNAL OF PHYSICAL MEDICINE, 1970, 49 (06): : 362 - &
- [9] A reused chopper/AM mixing amplifier for bio-signals acquisition Analog Integrated Circuits and Signal Processing, 2019, 99 : 471 - 481
- [10] TRANSISTOR AMPLIFIER FOR MEASURING WEAK DC CURRENTS INSTRUMENTS AND EXPERIMENTAL TECHNIQUES-USSR, 1969, (03): : 684 - +