Tektronix Webcam 070-8030-01 User Manual
Specifications
1780R-Series Service Manual
1–5
Table 1–2: Waveform Monitor Vertical System
Characteristic
Performance Requirement
Supplemental Information
Performance
Check Step
Check Step
Return Loss
CH A, B1
,
B2, or B3
>40 dB DC to 5 MHz.
(Terminated in 75
W.)
58
Aux Video In, Aux Video Out, & Pix
Mon Out
Mon Out
>34 dB DC to 5 MHz.
Instrument On only.
58
Ext. Sync Input
>46 dB to 5 MHz.
58
Loop-Through Isolation
>80 dB at F
SC
, between channels
and each channel and EXT REF.
Measured externally.
Measured externally.
Crosstalk
Typically 70 dB isolation between
channels. Measured at F
channels. Measured at F
SC
between channels and each
channel and EXT REF .
channel and EXT REF .
Frequency Response
Flat (X1)
50 kHz – 5 MHz
±
1%.
All inputs, 1 V Full Scale, Var.
Gain off. Adjusted for min. lum/
chroma gain error. Typically
<0.5%.
Gain off. Adjusted for min. lum/
chroma gain error. Typically
<0.5%.
11–15
±
2%.
Aux In, and Aux Out.
15–16
5 MHz – 10 MHz
±
1%.
CH A, 1 V Full Scale, Var. Gain
off.
off.
11
±
2%.
Ch B1, Ch B2, Ch B3, Aux In, and
Aux Out.
Aux Out.
12–16
10 MHz – 15 MHz
+2% –5%.
All Inputs, 1 V Full Scale, Var.
Gain off.
Gain off.
11–15
15 MHz – 20 MHz
+2% –15%.
All Inputs, 1 V Full Scale, Var.
Gain off. –3 dB at >20 MHz.
Gain off. –3 dB at >20 MHz.
11–15
Lum/Chroma Gain
±
0.5%.
X5 Gain with Modulated Sin
2
Pulse (12.5T NTSC, 10T PAL).
19
Voltage Cursor
Accuracy
±
0.2%.
6
Resolution
1 mV.
Cal Amplitude
Accuracy
1.00 V
±
0.2%.
NTSC = 0.714 V
±
0.5%.
PAL = 0.700 V
±
0.5%.
3
Resolution
1 mV at 1.00 V.