PURPOSE:To realize the strength of sound tone corresponding to the speed of a keyboard, with a means inducing an electromotive force proportional to the relative moving speed between a coil conductor and a permanent magnet into a conductor and controlling the gain of the amplifier according to ...
S Zhou,D Wang - 《Instrument Technique & Sensor》 被引量: 15发表: 2001年 A 48-dB Dynamic Gain Range/Stage Linear-in-dB Low Power Variable Gain Amplifier for Direct-Conversion Receivers In this paper, a low power Variable Gain Amplifier (VGA) circuit with an approximation to exponential ga...
each with 31 dB range 1 dB attenuation step size Single SPI port Single supply: 4.5 V to 5.5 V 40-lead, 6 mm × 6 mm LFCSP package APPLICATIONS GSM/EDGE and cellular communications systems GENERAL DESCRIPTION The ADL5592 is a digitally programmable variable gain amplifier (VGA) designed for...
PROBLEM TO BE SOLVED: To provide a gain variable high frequency amplifier circuit with low distortion and whose noise characteristic is not deteriorated even when the amplifier circuit is used for an input signal with a high power dynamic range.;SOLUTION: A transmission line 20 for configuring a...
Log-linear variable gain amplifiers and amplifier control apparatus and methods providing temperature compensated log-linear gain characteristics with a wide range of control for a current steered variable gain amplifier. The invention provides the sum of scaled linear and exponential terms, proportional ...
Consequently, since the voltage drop at DC is close to 0, the linearity in dB characteristic for variable gain amplifier VGA is maintained FIG. 5 is a graph showing a change in impedance of the LO bias circuit. In LO frequency, the feedback loop; gain is less than 1, and the output ...
original brand AD603SQ/883B IC VARIABLE GAIN 1 CIRC 8CERDIP, You can get more details about original brand AD603SQ/883B IC VARIABLE GAIN 1 CIRC 8CERDIP from mobile site on Alibaba.com
Integrated 60-GHz CMOS variable-gain low-noise amplifier and full 360° phase shifter for phased-array RF receiving system This paper presents a 60-GHz integrated variable-gain low-noise amplifier (VG-LNA) and full 360° phase shifter (PS) circuit, fabricated in 90-nm CMOS proc... CH Yu...
Therefore, the circuit returns to full gain in a shorter period of time. SUMMARY OF THE INVENTION The present invention provides a voice signal compression system wherein the compression threshold may be adjusted to a calibrated level. The system includes a variable gain amplifier for amplifying ...
New Original METSEPM5560 PM5560 power parameter measuring instrument $10.00 Min. order: 1 piece Sanland ic 860MHz 34dB Gain CATV Hybrid Amplifier Module IC KF834N replacement hybrid ic $0.12 - $6.54 Min. order: 10 pieces HBM PW6KC3 10KG load cell for packing machine $100.00 - $200.00 ...