Tektronix WFM 601A, Service Manual

Page: 29 / 368

Specifications
1–8
WFM 601A, WFM 601E, & WFM 601M Service Manual
Table 1–1: Electrical specifications (cont.)
Characteristic Reference information Performance requirement
Return Loss
w
40 dB to 6 MHz; typically
w
46 dB to 6 MHz,
w
40 dB to 10 MHz
Waveform Horizontal Deflection
Sweep Internal Synchronization: Proper
horizontal and vertical synchro-
nization with a component digital
signal conforming to CCIR Rec.
601/656 and SMPTE 125M.
External Synchronization: Proper
horizontal and vertical synchro-
nization 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
m
s/division
$
1%
2 Line: 10
m
s/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
m
s/division
$
1%
2 Line: 1.0
m
s/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
Calibrator
Waveform Square Wave
Amplitude: 700 mV
$
1%
Frequency: 100 kHz
$
0.1%
Crystal-controlled 10
m
s square wave
Component Vector Mode
Vertical Bandwidth
w
1.0 MHz
Horizontal to Vertical Bandwidth
Matching
v
2
°
at 500 kHz and 2 MHz
Vertical Gain Accuracy
$
1 %
Horizontal Gain Accuracy
$
1 %
Display to Graticule Registration
v
0.25 box with the color bar
black, display dot centered in
target
Electronic Graticule Shape Minimal visible gaps or tails at corners of target
boxes
Vector Display P
B
is displayed on horizontal axis and P
R
is
displayed on vertical axis.