Transistor Amplifier Trainer Cb Mode is an SSI India product in the AMPLIFIER AND OSCILLATORS category. Key specifications include SKU: PAO-E117. TECHNICAL SPECIFICATIONS Power Supplies. DC Power Supply IC Regulated +9V DC, 150mA. DC Power Supply IC Regulated -1.5V DC, 150mA. Operated on Mains power 230V, 50Hz +10% Components are