In this paper ,We have put forward a method to deal with the measured data and the troubles in the general measure points by analysing the principle and its structure of the last level of magnifier of Y-output in HH4311A oscillograph.
A high-precision,low-voltage and low-power bandgap voltage reference source for boost DC/DC converters is presented,which contains a constant current bias circuit,a low-voltage and low-power op-amp,a bandgap reference core with BJT cascaded,and a low-voltage start-up circuit.
Combining the metal film RF MEMS CPW switch with planar IC poly- silicon emitter process technique, a set of optimized process for solving the key problem of the compatibility between switch and IC technique has been obtained, and the monolithic integration experiments of RF MEMS CPW switch andcircuit has been done.
And we simulated the transmission model constructed with Erbium-doped fiber amplifier (EDFA) as the solo amplifier and the chirped fiber Bragg grating (CFBG) as the solo dispersion compensator used in the system.
The displacement of a piezoelectric multilayer actuator was amplified by a flexure-hinged amplifier based on the principles of triangle amplification.
A new electron beam (EB) control system was developed in a general vacuum EB machine by equipping it with an industrial control computer, programmable logic control (PLC), deflection coil, data acquisition card, power amplifier, etc.
This problem is of interest in connection with the possibility of application to the design of jet amplifier-one of the elements of fluidic automatic control (pneumonies) [1, 2].
The influence of a chain pumping reaction mechanism in a diffusion-type continuous-action chemical amplifier on an RF molecule is investigated.
The proposed digital controller is implemented with a TMS320C32 DSP, including a series of parallel digital band-pass filters, phase shifters and amplifiers.
The output power of the signals is 10 and 75 W, respectively; the gain of the channel amplifiers is 40 dB; and the amplified signals are the video and audio signals of the TV channel 12.
A power amplifier is described in which, in order to combine the powers of channel amplifiers, directional couplers are used that are based on helical transmission lines placed in a cylindrical shield.
It is shown that the correct adjustment of the phase shifts of the clock signals of the lock-in amplifiers can considerably reduce the effect of the instability of the photon-coupled pair signal on the result of measurements.
A bandpass power amplifier is described in which ring combiners (adders) designed from lumped components are used for combining the powers of channel amplifiers.