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Appendix A: Specifications
A–6
WFM 601A, WFM 601E & WFM 601M User Manual
Table A–1: Electrical specifications (cont.)
Characteristic Reference informationPerformance requirement
Return Loss w40 dB to 6 MHz; typically w46 dB to 6 MHz,
w40 dB to 10 MHz.
Waveform Horizontal Deflection
Sweep Internal Synchronization: Proper
horizontal and vertical synchroniza-
tion with a component digital signal
conforming to CCIR Rec. 601/656
and SMPTE 125M.
External Synchronization:
Proper
horizontal and vertical synchroniza-
tion with a composite sync signal of
approximate line and field rate.
Sweep Length: [12 divisions
Sweep free runs without input
Sweep Timing Accuracy
1 Line: 5 ms/division $1%
2 Line: 10 ms/division $1%
1 Field displays one full field, including field rate
sync. 2 Field displays two full fields and the field
rate sync between them.
Sweep Linearity $1%
Magnified Sweep Accuracy
1 Line: 0.2 ms/division $1%
2 Line: 1.0 ms/division $1%
Magnified Sweep Linearity $1%
Timing Cursors Accuracy: $1% $0.5% over 20–30° C
Horizontal Position Range Any portion of the synchronized
sweep can be positioned on screen
in all sweep modes
Analog Audio Mode (WFM 601A Only)
Input DC coupled, differential input, 20 kΩ input
impedance.
Full Scale Selection 0, 4, 8, and 12 dBu full scale, menu selectable
Full Scale Accuracy $0.5 dB at 1 kHz
Bandwidth –3 dB w 500 kHz using a leveled
sine wave.
X and Y Input Phase Matching
v 1_, 20 Hz–20 kHz
Maximum Input Voltage ±8 V peak, measured to chassis ground
Calibrator
Waveform Square Wave Amplitude: 700 mV $1%
Frequency: 100 kHz $0.1%
Crystal-controlled 10 ms square wave
Component Vector Mode
Vertical Bandwidth w 1.0 MHz
Horizontal to Vertical Bandwidth
Matching
v2° at 500 kHz and 2 MHz
Vertical Gain Accuracy $1%