Atec Agilent-N5173B - Manual (Page 14)

14
External modulation inputs
(Option UNT required for FM, AM, and phase modulation inputs; Option UNW required for pulse modulation inputs)
EXT1 AM, FM, PM
EXT2 AM, FM, PM
PULSE Pulse (50 Ω only)
Input impedance 50 Ω, 1 MΩ, 600 Ω, DC and AC coupled
Standard internal analog modulation source
(Waveform generator for use with AM, FM, phase modulation, and LF out; requires Option UNT)
Waveform
Sine, square, triangle, positive ramp, negative ramp
Rate range 0.1 Hz to 2 MHz (tunable to 3 MHz)
Resolution 0.1 Hz
Frequency accuracy Same as RF reference source (nom)
LF audio output 0 to 5 V peak into 50 Ω, –5 V to 5 V offset (nom)
Multifunction generator (Option 303)
The multifunction generator option (Option 303) consists of 7 waveform generators that can be set independently with up to 5
simultaneously using the composite modulation features in AM, FM/PM plus LF out
Waveform
Function generator 1 Sine, triangle, square, pos ramp, neg ramp, pulse
Function generator 2 Sine, triangle, square, pos ramp, neg ramp, pulse
Dual function generator Sine, triangle, square, pos ramp, neg ramp, pulse, phase offset and amplitude
ratio for Tone2 relative to Tone1
Swept function generator Sine, triangle, square, pos ramp, neg ramp
Trigger: free run, trigger key, bus, external, internal, timer trigger
Noise generator 1 Uniform, Gaussian
Noise generator 2 Uniform, Gaussian
DC Only for LF output
Frequency parameters
Sine wave 0.1 Hz to 10 MHz
Triangle, square, ramp, pulse 0.1 Hz to 1 MHz
Noise bandwidth 10 MHz
Resolution 0.1 Hz
Frequency accuracy Same as RF reference source (nom)
Narrow pulse modulation (Option UNW or UW2) 1
On/off ratio > 80 dB (typ) 2
Rise/fall times (Tr, Tf) < 10 ns; 7 ns (typ)
Minimum pulse width ALC on/off 3 ≥ 1us (500 ns typ) / ≥ 20 ns
Repetition frequency ALC on/off 10 Hz to 500 kHz / DC to 10 MHz
Level accuracy (relative to CW) ALC on/off 4 ± 0.7 dB (± 0.5 typ) / (< ± 0.75 dB typ)
Width compression (RF width relative to video out) < 5ns (typ)
1. Pulse specifications apply to frequencies > 100 MHz. and power set to > –3 dBm. Operable down to 10 MHz.
2. Above 35 GHz vernier > 0 dBm.
3. For export control purposes option UW2 limits minimum pulse width above 31.8 GHz to ≥ 500 ns.
4. With power search on.