A constant current source a constant voltage source switch circuit comprising: a switching circuit module and electrically connected to an alternating current source, the switch circuit for AC output of the module is converted into DC power, and provides the rectified DC level load after filtering ...
CONSTITUTION: When the input voltage VIN exceeds VIN'=Vcc×R18 /(R17 +R18 ), a 1st transistor TR Q14 is turned on and a current IOUT=(VIN-VIN')/R16 flows to the TR Q14 from a current source Vcc via a TR Q13 that constructs a 1st current mirror circuit 11. Then the ...
ALTERNATING CURRENT-TO-DIRECT CURRENT CIRCUIT An AC to DC circuit includes a rectifier circuit, a voltage detecting circuit, the current source and the output circuit. The rectifier circuit converts the AC power to pulsating DC. The constant current source provides current to the vo... B Wang...
Here, when the resistance value of the impedance means 13 and the value of the constant current source 17 are so set that the value of the potential difference across the impedance means 13 is equal to the base-emitter voltage Vbe of an NPN TR, the voltage at the output terminal of a ...
into complementary current signals of a noninverting phase and an inverting phase by giving the input voltage signal to transistors(TRs) being components of a current mirror and extracting output current, to simplify the manufacturing process and to attain the circuit operated at a low voltage.收藏...
Voltage converting circuit As for this invention, when input terminal for the connection for variable voltage or current source, and supply voltage in the output terminal in the capacitive element the inductive element the 1st terminal where is connected to the 2n... オシンガ,アンネ,ユリエン...
PURPOSE:To reduce the influence of power noises and to reduce the power consumption in the voltage/current conversion circuit converting an input voltage signal into the sink and source current. CONSTITUTION:Emitters of transistors Q4, Q5 comprising the current mirror circuit are connected to the emi...
terminal 17 is distributed by a voltage-distributing means 44, and a voltage XVi appears at an input terminal 23 of voltage/current converting circuit 19... D Jung,S Koo 被引量: 0发表: 1991年 Design of a multi-channel sine current source used for pulse wave analysis MCU control circuit,...
PURPOSE:To obtain a voltage/current converting circuit where integrated degree is high and non-linearity resistance that depends on input voltage is eliminated in a semiconductor integrated circuit. CONSTITUTION:A voltage/current converting circuit 1 uses the output current of a resistor means 2 generat...
constant current source 20, when an input signal Vin is large, that is, the base voltage of the second NPN transistor 17 is low, an emitter voltage, consequently, the emitter voltage of the second PNP transistor 18 becomes low and the current to flow in a second resistance 19 becomes ...