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DC504

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Tektronix DC504
100 MHz frequency counter
Tektronix DC504

Compatible with TM500 system

Produced from 1975 to 1993

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix DC504 is a 100 MHz frequency counter plug-in for the TM500 system.

Specifications

  • 5 Digit LED Display
  • Frequency Range
    • DC coupled: 0 Hz to at least 80 MHz
    • AC coupled: 10 Hz to at least 80 MHz
  • Sensitivity (sine wave):
    • 20 mV RMS (56,6 mV_pp) below 15 MHz
    • 35 mV RMS (99 mV_pp) at or below 50 MHz
    • 35 mV RMS @ 50 MHz derated down to 175 mV RMS (495 mV_pp) @80 MHz
  • Input impedance: 1 MΩ; 20 pF
  • Trigger Level Range: -1,5V to +1,5 V
  • Maximum Resolution
    • Frequency kHz Positions: 0,1 Hz; 1 Hz and 10 Hz (Seven digit resolution possible in overflow kHz position)
    • Frequency MHz Positions: 100 Hz and 1 kHz (Nine digit resolution possible in overflow kHz position)
    • Period msec Positions: 1µs and 10 µs
    • Period sec Positions: 10 ms; 1ms and 0,1 ms
  • Trigger Error: 0,5% of one cycle at min, trigger sensitivity
  • Internal Standard Time Base (1 MHz)
    • Stability: 0°C to +50°C after 30 min warm up: 1E-5
    • Long Term Drift: 1E-5 per month
    • Accuracy: Adjustable to within 1E-7
  • Internal Time Base Option 1 (5 MHz)
    • Stability: 0°C to +50°C after 30 min warm up: eE-7
    • Long Term Drift: 1E-7 per month
    • Accuracy: Adjustable to within 5E-9
  • Display Time: Variable ~0,1 sec ... ~10 sec and HOLD mode

Pictures