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SCR phase shift trigger circuit using KJ004

KJ004 SCR trigger circuit phase shift for single-phase, three-phase full-bridge power supply control device for dual-pulse thyristor phase-shift trigger. Electrical parameters: Supply voltage: DC 15V,-l5V, allowing fluctuations ± 5% (± 10% normal function). Supply Current: positive current = 15mA, negative current = 10mA. Sync voltage: any value. Sync sync input to allow the maximum current: 6mA (rms). Phase shift range: = l70 ° (synchronous voltage 30V, synchronization input resistance 15kO). Ramp rate: = 1OV (flat rate appears to ramp date). Output pulse: a. Pulse width: 10µs ~ 2ms (pulse capacitor to change.) b. Pulse amplitude: 13V. C. Maximum output capacity: KJ004 is lOOmA (outflow pulse current.) KJ004A to 10mA. d. Ttl lose back pressure: BVceo = l8V (test conditions: Ie = l00µA). Positive and negative half-cycle pulse phase imbalance degree = ± 3 °. Ambient temperature is four: C: 0 ~ 70 ? R: -55 ~ 85 ? E: -40 ~ 85 ? M: -55 ~ 125 ? KJ004 (KJ004A) l6 pin dual in-line package, as shown by the shows the pin diagram.

typical application circuit is shown below. The chip from the synchronous detection circuit, the sawtooth wave forming circuit, phase voltage, offset voltage and comprehensive comparison of sawtooth voltage amplifier and power amplifier circuit composed of four parts. Synchronous series resistor value can be calculated as follows:

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SCR phase shift trigger circuit using KJ004