Appendix B: Specifications
11801C User Manual
BĆ5
TableĂBĆ4:ă11801C Trigger Specifications (Cont.)
Characteristic Specification
Direct AC coupled 1: 100 mV, 30 kHz to 3 GHz
50 mV, 30 Khz to 4 GHz (typical)
10: 1 V, 30 kHz to 3 GHz
(Auto, Enhanced Off, Auto holdoff, HF Off)
May require trigger level adjustment to avoid
250 ps pulse width when triggering on trailing
edge for stable triggering
Prescaler - AC coupled 800 mV peakĆpeak from 2 GHz to 3 GHz
< 1V, 10 GHz to 12.5 GHz (typical)
Metastability 0 ppm (typical)
(tested with 250 K trigger events) at 2.5 GHz,
100 mV
pĆp
trigger, Enhanced = On
Main and window position Minimum 25 ns preĆtrigger required
(48 ns, Option 1M)
Initial window delay 25 ns to 50 ms in steps of 1% of main record
size
(48 ns, Option 1M)
Strobe skew adjustment ±1.5 ns
TableĂBĆ5:ă11801C Display Specifications
Characteristic
Specification
CRT 8½ inch diagonal, color, magnetic deflection.
Vertical raster orientation. Nominal screen
size:
ąą6.087 inches vertical by
ąą4.496 inches horizontal
Character display
Character height 0.10 in (upper case)
Character cell 16 pixel vertical by 10 pixel horizontal
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