Appendix A: Specifications
A–8 WFM 601A, WFM 601E & WFM 601M User Manual
Table A–1: Electrical specifications (cont.)
Characteristic Reference informationPerformance requirement
Active Video Accuracy
WFM601M
WFM601E and WFM 601A
700 mV $1% peak-to-peak
(Y-PB-PR mode)
Typically 700 mV $1% peak-to-
peak (Y-PB-PR mode)
Typically < "2% for RGB mode.
Black (Blanking) Output Level 0 mV "35 mV
Frequency Response Y to 5.75 MHz: $1%
PB and PR to 2.75 MHz: $1%
Non-Linearity v0.5%
Group Delay Error Y at 5.75 MHz: v10 ns
PB and PR at 2.75 MHz: v20 ns
Interchannel Timing Match Y-to-PB and Y-to-PR "5.0 ns
Sync Amplitude Accuracy 300 mV $10%
Analog sync is inserted on Y channel only (G
channel only in RGB mode).
Sync to Video Timing 525 line rate: 9.037 ms "0.050 ms
625 line rate: 9.777 ms "0.050 ms
Return Loss 50 kHz to 5 MHz: w40 dB
Table A–2: CRT display
Characteristic Performance requirement Reference information
CRT Viewing Area 80 100 mm
Horizontal: 12.5 divisions
Vertical: 1.19 V
Accelerating Potential Nominally 13.75 kV
Trace Rotation Range >$1° from horizontal Total adjustment range is typically w8°.
Graticule Internal with variable illumination