The Tektronix 492 is a portable, stand-alone Spectrum Analyzer introduced in 1980 that covers 50 kHz to 21 GHz.
492P and AP/BP have a GPIB interface.
- Option 1: Digital memory
- Option 2: Pre-selector
- Option 3: Phase lock at narrow spans
- Comparison of 492 with 494 and 7L18
- 49x Service notes @ John Miles KE5FX
- KE5FX GPIB toolkit
- ROM replacement
- Tek 492 DIY USB interface project