Tektronix WFM 601E Wheelchair User Manual


 
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 k 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%