DC508

The Tektronix DC508 is a 1 GHz counter plug-in for the TM500 system.

Tektronix DC508
1 GHz counter Tektronix DC508 Produced from 1978 to 1983 Manuals Tektronix DC508A Manual (OCR, PDF) Tektronix DC508 Manual (OCR, PDF) (All manuals in PDF format unless noted otherwise)

The DC508A version (1980) extended the frequency range to 1.3 GHz.

Specifications

1 GHz, 9 digits
0-100 MHz direct (15 mV_RMS, 1 MΩ // 25 pF), gate times 1 ms to 10 s in decade steps
100 MHz+ via prescaler (20 mV_RMS, 50 Ω input, fused), gate times 8 ms to 8 s in decade steps
Functions: Frequency, events