Pulse modulation – Atec Agilent-N5183A User Manual
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Pulse modulation
1
(Option UNU)
On/Off ratio
> 80 dB (typ)
2
Rise time
< 50 ns (typ)
Fall time
< 50 ns (typ)
Minimum width
ALC on
≥ 2 μs (typ)
ALC off
≥ 500 ns (typ)
Resolution
20 ns (nom)
Pulse repetition frequency
ALC on
DC to 500 kHz
ALC off
DC to 2 MHz
Level accuracy
< 1 dB (typ)
(relative to CW, ALC on or off)
Video feedthrough
< 350 mV (typ)
Pulse overshoot
< 15% (nom)
Pulse compression
15 ns (typ)
Pulse delay
RF delay (video to RF output)
10 ns (nom)
Video delay (ext input to video)
30 ns (nom)
External input
Input impedance
50 ohm (nom)
Level
+1 Vpeak = ON (nom)
Internal pulse generator
Modes
Free-run, square, triggered, adjustable doublet,
trigger doublet, gated, and external pulse
Square wave rate
0.1 Hz to 10 MHz, 0.1 Hz resolution (nom)
Pulse period
500 ns to 42 seconds (nom)
Pulse width
500 ns to pulse period – 10 ns (nom)
Resolution
10 ns (nom)
Adjustable trigger delay
– pulse period + 10 ns to pulse period to pulse
width –10 ns
Settable delay
Free run –3.99 to 3.97 μs
Triggered
0 to 40 s
Resolution
10 ns (nom)
(delay, width, period)
Pulse
doublets
1st pulse delay
0 to 42 s – pulse width – 10 ns
(relative to sync out)
1st pulse width
500 ns to 42 s – delay – 10 ns
2nd pulse delay
0 to 42 s – (delay1 + width
2
) – 10 ns
(relative to pulse 1)
2nd pulse width
20 ns to 42 s – (delay1 + delay
2
) – 10 ns
1.
Pulse specifications apply to frequencies > 500 MHz. Operable down to 10 MHz.
2. Applies to power levels > –5 dBm for Option 1E1.