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1. It passes through preamplifier, a band-pass filter, a second amplifier, a low-pass filter and an amplifier which has an adjustable enlargement factor .

2. A method that charge sensitive preamplifier used in APD detection system of laser pulse was presented to enhance the range and precision of the detection system.

3. During testing process, Low-noise preamplifier is adopted to lower the background noise for the testing system.

4. Once the preamplifier amplifies the signal, it's converted to digital information by the A/D converter.

5. The amplifier consists of a low-noise preamplifier stage, a current-mode instrumentation amplifier stage, a buffer stage, and a constant-g_m bias stage.

6. Based on the preamplifier-latch fast-compare theory, a novel topology of CMOS preamplifier latch comparator circuit is presented.

7. The research on the module of preamplifier, A/D voice input, D/A voice output, and controlling of the system is laid stress on.

8. In modern electrometers, the preamplifier output terminal is such a point, and can be used to reduce the effect of cable leakage, as shown in Figure 2-5.

9. A hybrid circuit consists of charge sensitive preamplifier, main amplifier, discriminator and shaping circuit was described.

10. During the detector and preamplifier acquire nuclear information and WDS convert the analog signals to digit value, the nuclear signals will inevitable be distorted to make the final result worse.

11. The buoy hardware is composed of preamplifier, conditional processing part, acoustic signal processing part, communication and control part, power supply manager, etc.

12. Class A, discrete, transformerless preamplifier for transparency, extremely fast transient response and no crossover distortion.

13. As a typical kind of preamplifier with extremely high gain, regenerative amplifier is very important in the field of obtaining ultra-short high-energy laser pulses.

14. The Video Preamplifier is designed to be flexible with respect to its audio configurations, as well.

15. The comparator includes a preamplifier, a dynamic latch and a clocked inverter.

16. Experimental tests indicate that the preamplifier can be used for STM topography measurement and NIM impedance measurement simultaneously.

17. Have designed the concrete drive circuit of LED light sources and the concrete circuits of preamplifier and subtracter, etc.

18. A capacitor feedback transimpedance amplifier (CTIA) is selected as preamplifier of ROIC based on comparing several preamplifier structures.

19. The system approaches previously reported systems in terms of preamplifier noise and the base line noise level.

20. The UV-16 is a 2-channel charge amplifier that is compatible with the input of piezoelectric accelerometers and accelerometers with built-in preamplifier.

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21. The MODEL 500 incorporates stereo Line-Level inputs and outputs that permit the amplifier to be connected between a preamplifier and amplifier without the need for Y-connectors.

22. For every circuit unit, mainly analyzing and designing the low-noise preamplifier, rule control amplifier and linearity precision detector unit circuit and so on.

23. The entire circuit is mainly comprised of regulated power supply, preamplifier and power amplifier, among which LM4766 is a stereo audio amplifier using dual power supply application circuit.

24. The front-end amplifier for optical receiver is made up of two important circuits: preamplifier and main amplifier.

25. The same basic circuit configuration shown in Figure 1-8 can be used as an input preamplifier for a nanovoltmeter.

26. It is a switch capacitor circuit which consists of the preamplifier and dynamic latch.

27. Expounds the principle of audio frequency power amplifier is designed for manostat, preamplifier, volume control, power amplifier four parts digital power amplifier megaphone.

28. According to series-wound amplifiers and noise theory, an applied circuit of low-noise preamplifier is designed using unattached components.

29. In order to cancel internal offsets , an offset or drift compensation circuit allows the preamplifier offset voltage to be measured during specific phases of the measurement cycle.

30. The emphasis is laid on the influence of the parameters of the active devices(PIN photodiode, MESFET) on the circuit noise, transmission bandwidth and reception sensitivity of the preamplifier.