570
The Tektronix 570 is a curve tracer for tubes.
The 570 contains five transformers:
- T310: center-tapped isolation transformer for plate sweep
- T340: multitap transformer for heater voltages
- T401: multitap autotransformer for selecting peak plate voltage
- T501: transformer for floating supplies and screen voltage supply
- T620: transformer for HV power oscillator for CRT voltages