Sony Tektronix WFM 1125, Руководство по обслуживанию

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WFM 1125 Option 0A/0B/0C/0D Service Manual
1-3
Specifications
Tables 1–1 through 1–20 list the electrical specifications for the WFM 1125
Digital Television Waveform Monitor Option 0A/0B/0C/0D Option
0A/0B/0C/0D. Performance requirements are generally quantitative and can be
tested by qualified service personnel. Reference information describes useful
operating parameters and typical characteristics and performance.
The performance requirements listed in the electrical specification portion of
these specifications apply over an ambient temperature range of 0
°
C to +40
°
C.
The rated accuracies are valid when the instrument is calibrated at an ambient
temperature range of +20
°
C to +30
°
C, after a warm-up time of 20 minutes.
Electrical Specifications
Table 1-1: Vertical deflection system
Characteristic Performance requirements Reference information
Frequency Response
Luminance Channel (Y) 50 kHz to 30 MHz:
≤ ±
0.5 % of the frequency
response at 50 kHz.
37.125 MHz:
≤
-12 dB
Chrominance Channel (P
b
, P
r
) 50 kHz to 15 MHz:
≤ ±
0.7 % of the frequency
response at 50 kHz.
18.5625 MHz:
≤
-12 dB
Low Pass Filter
≤
-10 dB at 15 MHz. The response at 15 kHz does not vary more
than 0.5 % between FLAT and LPF.
Gain Frequency response and gain accuracy are
maintained in X5 and X10.
Offset Range
±
350 mV for CH 2 and 3 to CH 1
Cursor Error
≤
0.25 % of full scale
Scale
mV Resolution of 40 pixel/100 mV (div), Standard
Resolution of 60 pixel/100 mV (div), Full
% Resolution of 28 pixel/10 % (div), Standard
Resolution of 42 pixel/10 % (div), Full