Fet Common Source Amplifier Trainer With AC Milli Voltmeter is an SSI India product in the AMPLIFIER AND OSCILLATORS category. Key specifications include SKU: PAO-E039B. TECHNICAL SPECIFICATIONS Power Supplies. DC Power Supply IC Regulated +15V DC, 150mA. Operated on Mains power 230V, 50Hz +10% Digital AC Voltmeter Meters. 20V AC