DC504

Manuals – Specifications – Links – Pictures

The Tektronix DC504A 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

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  DC504A (intr. 1984)

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  DC504A

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  DC504

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  DC504

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  DC504

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  DC504

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  DC504

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  DC504

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  DC504A

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  DC504 inside; component side

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  DC504 inside; copper side

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  DC504A Internal Left Side

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  DC504A Internal Right Side