Tektronix 1760 series, User Manual

Page: 130 / 180

Appendix A: Performance Specification
A-2
1760 Series Component Waveform/Vector Monitor User Manual
Electrical Specifications
Table A- 1: Waveform Vertical Deflection
CATEGORY
DESCRIPTION
Deflection Factor
Req:
1 V full scale (X1): 1 volt input displayed with-
in 1% of 140 IRE (1.00 V PAL)
X5 Gain: 0.2 volt input displayed within
1% of 140 IRE (1.00 V PAL)
X10 Gain: 0.1 volt input displayed within 1%
of 140 IRE (1.00 V PAL)
RI:
Any one of the 8 inputs
Variable Gain Range
Req:
0.2X to 1.4X
Overscan
Req:
≤
1% variation in baseline of chroma when
positioned anywhere between sync tip and
100% white
RI:
X1, X5, or X10 with any variable gain
setting
Video Maximum Operating
Input Voltage
RI:
--1.8 V to +2.2 V, (all inputs, A -- B3) dc
+ peak ac
Absolute Video Input Voltage
RI:
--8.5 V to +8.5 V (dc + peak ac)
Video Input DC Impedance
RI:
≥
20k
Ω
Video Input Return Loss
RI:
Typically
≥
40 dB to 6 MHz
Video Input DC Offset
Between Channels
Req:
≤
1 IRE (7 mV PAL)
RI:
Typically
≤
1 mV
Video Input Offset Range
RI:
CHA2, A3, B2, & B3 can be offset from
CHA1 or CHB1 by
±
350 mV.
Video Input Loop-Through
Isolation
RI:
Typically
≥
70 dB