Synchronized Pulse Generator with Power Supply Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12285
Indian Lab Suppliers supplies the Synchronized Pulse Generator with Power Supply (Product ID: 12285) as part of its electronics engineering lab equipment range. It produces SCR gate pulses locked to the supply waveform, with an adjustable firing position.
Quick Answer
A fixed 8 V p-p, 50 Hz reference keeps the pulses in step with the supply, and op-amp phase-control stages set where in each half-cycle the pulse falls. Monostable multivibrators (two 4047 ICs), a 4081 AND gate and a 555 timer shape and gate the pulses, and a pulse transformer couples them to an on-board SCR. The board has six IC 741s, two JFETs, and internal ±15 V, ±10 V and 5 V DC supplies (100 mA each). A dual-trace 20 MHz CRO and a 6-digit frequency counter are needed.
Key Specifications
| Parameter | Detail |
|---|---|
| Experiment | Generation of synchronised pulses for thyristor (SCR) triggering by phase control |
| ICs | 6 x IC 741; 2 x 4047 monostable; 555 timer; 4081 AND gate |
| Other devices | Two JFETs, pulse transformer, SCR |
| Reference signal | 8 V p-p fixed AC, 50 Hz |
| Supplies | ±15 V, ±10 V and 5 V DC, 100 mA each (internal) |
| Mains | 230 V ±10%, 50 Hz AC; ON/OFF switch, fuse and indicator lamp |
| Also required (not included) | Dual-trace 20 MHz CRO, 6-digit frequency counter |
Where This Is Used
Used in power-electronics practicals on thyristor firing circuits. Related: Zero Crossing Detector with power supply (Product ID: 12275) and Study of SCR and A.C. Phase Control with Power Supply (Product ID: 12880). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
What is the pulse transformer for?
It isolates the control circuit and couples the gate pulse to the SCR.
How is the firing position chosen?
By the phase-control stage, which places the pulse at the desired point in each half-cycle.
What instruments are needed?
A dual-trace 20 MHz CRO and a 6-digit frequency counter.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Electricity and Magnetism
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