- Carpinteria, California, United States
- Jun 9th
This auction is for a vintage Tektronix Type 190B Constant Amplitude Signal Generator with Type 190B Attenuator and a copy of the manual in good condition. It has several tubes including two Amperex 12AU7, one RCA 6C4, two RCA 6AU6, one RCA OB2 and one RCA 5Y3GT. The Tektronix Type 190B Constant Amplitude Signal Generator is a sine wave source that uses feedback to provide a signal whose amplitude does not vary with frequency or with the impedance of the load, within stated limits.