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Specifications
1780R-Series Operator’s Manual
5–7
Table 5–3: Waveform Monitor Probe Input
Characteristics
Performance
Requirements
Supplemental
Information
Input Resistance
1 MW.
Input RC Product
20 ms (20 pF).
Gain Unity 3%. With gain adjusted for
equivalent 1 V p-to-p dis-
play.
Frequency Response
25 Hz to 5 MHz ±2%. F
r
o
m
50 kHz
Refere
nc
e
.
5 MHz to 10 MHz +3% to –5%.
Tilt Less than 5% on 50 Hz square
wave.
Fast DC restorer eliminates
low frequency tilt on a
composite video signal.
Probe Calibrator
Waveform 50% Duty Cycle square
wave.
Period 4 horizontal lines.
Output Voltage 1.0 V ±0.5% (0.995 V to
1.005 V).
Impedance Out
≈950 W.
Table 5–4: Waveform Monitor Horizontal Deflection System
Characteristics
Performance
Requirements
Supplemental
Information
Sweep Rates & Timing
Accuracy
Accuracy over center 10 divi-
sions:
1 Line (5 ms/Div.)
±2%.
2 Line (10 ms/Div.)
±2%.
3 Line (15 ms/Div.)
±2%.
Specifications
1780R-Series Operator’s Manual
5–7
Table 5–3: Waveform Monitor Probe Input
Characteristics
Performance
Requirements
Supplemental
Information
Input Resistance
1 MW.
Input RC Product
20 ms (20 pF).
Gain Unity 3%. With gain adjusted for
equivalent 1 V p-to-p dis-
play.
Frequency Response
25 Hz to 5 MHz ±2%. F
r
o
m
50 kHz
Refere
nc
e
.
5 MHz to 10 MHz +3% to –5%.
Tilt Less than 5% on 50 Hz square
wave.
Fast DC restorer eliminates
low frequency tilt on a
composite video signal.
Probe Calibrator
Waveform 50% Duty Cycle square
wave.
Period 4 horizontal lines.
Output Voltage 1.0 V ±0.5% (0.995 V to
1.005 V).
Impedance Out
≈950 W.
Table 5–4: Waveform Monitor Horizontal Deflection System
Characteristics
Performance
Requirements
Supplemental
Information
Sweep Rates & Timing
Accuracy
Accuracy over center 10 divi-
sions:
1 Line (5 ms/Div.)
±2%.
2 Line (10 ms/Div.)
±2%.
3 Line (15 ms/Div.)
±2%.