Quadrature Oscillator with Power Supply Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12302
Indian Lab Suppliers supplies the Quadrature Oscillator with Power Supply (Product ID: 12302) as part of its electronics engineering lab equipment range. It is an op-amp oscillator that produces a sine wave and a cosine wave 90° apart.
Quick Answer
In a quadrature oscillator the signal passes round a loop of integrating stages, so the two outputs sit exactly 90° apart; in X-Y mode on a CRO the two outputs trace a circle, which confirms the 90° difference. A selector switch gives three frequencies by changing component values, and two potentiometers (coarse and fine) set the feedback for a steady, undistorted output. Frequencies are checked on a digital frequency counter; the counter and 20 MHz CRO are not included. An internal ±15 V DC, 50 mA supply powers the op-amp.
Key Specifications
| Parameter | Detail |
|---|---|
| Experiments | Construction of a quadrature oscillator; sine and cosine outputs 90° apart; frequency vs component values |
| Active device | Op-amp IC |
| Frequency selection | Three frequencies via selector switch |
| Feedback control | Two potentiometers, coarse and fine |
| Supply | ±15 V DC at 50 mA, IC regulated, internal |
| Mains | 230 V ±10%, 50 Hz AC; ON/OFF switch, fuse and indicator lamp |
| Also required (not included) | 20 MHz CRO, digital frequency counter |
Where This Is Used
Used in oscillator and signal-generation practicals. Related: Wien Bridge Oscillator (Op Amp version) with Power Supply (Product ID: 12301) and Wien Bridge Oscillator Using JFET (Product ID: 12325). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
What phase difference do the outputs have?
90°, one sine and one cosine.
How many frequencies are available?
Three, chosen with a selector switch.
What do the two potentiometers do?
They give coarse and fine control of the feedback.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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