CONSTITUTION:A logarithmic element 31 is connected between the input and output terminals of an input operational amplifier 30, and the 1st output amplifying circuit 32 exclusively for a recording system and the 2nd output amplifying circuit 33 exclusively for a reproduction system are connected in ...
A 50MHz Voltage-Controlled Amplifier Figure 1 is a circuit for a 50MHz voltage-controlled amplifier (VCA) suitable for use in high-quality-video-speed-applications. The outputs from the two-signal channels of the AD539 (see “Inside the AD539” for a more complete circuit analysis) are app...
Amplifier; Dual Operational; +/- 16 or 32V; 0.7 mA (Typ.) Supply; +32V; DIP-8 产品分类:Voltage Amplifiers, 型号:LM258N 仓库库存编号:70013573 搜索 ON Semiconductor IC, Analog; Op-Amp; Dual; Rail/Rail; ±22V/44V; Micro8; Cut Tape ...
摘要: A voltage-controlled attenuator achieves lower distortion and noise through a construction wherein collector currents of a driving differential amplifier are linearized by employing a current mirror configuration. The circuit design lends itself to IC fabrication by lowering current requirements.收藏...
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A ceramic resonator (4), a variable reactance circuit (3), and a limiter circuit (6) are connected to the output of an amplifier (1) whose output is fed back to the positive phase-sequence input. The frequency of oscillation is controlled by varying an equivalent capacitance of the reactan...
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Feedback to an amplifier is used to help maintain oscillation and to reduce damping. The frequency of the oscillator output is determined by the equation: Fosc = 1/(2π√(LC)) An input voltage can tune the frequency if a varactor (a semiconductor device with a voltage-dependent capacitance...
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And then, the current will via to the input pin of the IC1-LM350. As I said above. It is a 3A adjustable regulator IC. The output regulated voltage can be controlled of 1.2V to 22V by rotating VR1. Read also:Microcontroller | Digital power supply circuit ...