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Appendix A: Specifications
WFM 601A, WFM 601E & WFM 601M User Manual
A–3
Table A–1: Electrical specifications (cont.)
Characteristic Reference informationPerformance requirement
Jitter Attenuation
10 Hz HPF < 10% for frequencies > 20 Hz. –3 dB at
approximately 10 Hz.
100 Hz HPF < 10% for frequencies > 300 Hz. –3 dB at
approximately 100 Hz.
1 kHz HPF < 10% for frequencies > 3 kHz. –3 dB at
approximately 1 kHz.
Up to 3 dB jitter gain from 2–4 kHz.
Display Modes
Overlay Overlays bits 0-9 of a serial word to form each Eye
opening.
10-Eye Parades bits 0-9 in a 10-Eye display.
Deflection Factor
Vertical 800 mV $ 5% with an 800 mV p-p
input
Horizontal
Overlay Mode 1 ns/div $ 3%
10-Eye Mode 3 ns/div $ 3%
Mag On 500 ps/div $ 3%
Jitter Display (WFM 601M Only)
Type Demodulated recovered clock.
Digital Readout
Accuracy 0.05 UI $10% of reading.
Dynamic Range
Alignment Jitter 2.4 UI p-p
Timing Jitter 9.0 UI p-p
Resolution
Alignment Jitter 0.02 UI
Timing Jitter 0.1 UI
–3 dB Bandwidth
Alignment Jitter Bandwidth
selection
10 Hz to 5 MHz
1 kHz to 5 MHz
10 kHz to 5 MHz
100 kHz to 5 MHz
Timing JItter 10 Hz to 5 MHz
Jitter Waveform
Accuracy $ 10%