Atec Agilent-N5171B - Manual (Page 15)

15
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)
I Wideband AM (50 Ω only, N5172B only)
Input impedance 50 Ω, 1 MΩ, 600 Ω, DC and AC coupled
Standard internal analog modulation source
(Single sine wave generator for use with AM, FM, phase modulation requires Option UNT or 303)
Waveform
Sine
Rate range 0.1 Hz to 2 MHz (tunable to 3 MHz)
Resolution 0.1 Hz
Frequency accuracy Same as RF reference source, nominal
LF audio output 0 to 5 V peak into 50 Ω, –5V to 5 V offset, nominal
Multifunction generator (Option 303)
The multifunction generator option (Option 303) consists of seven waveform generators that can be set independently with up to five
simultaneously using the composite modulation features in AM, FM/PM, and LF out
Waveform
Function generator 1 Sine, triangle, square, positive ramp, negative ramp, pulse
Function generator 2 Sine, triangle, square, positive ramp, negative ramp, pulse
Dual function generator Sine, triangle, square, positive ramp, negative ramp, phase offset, and amplitude
ratio for Tone 2 relative to Tone 1
Swept function generator Sine, triangle, square, positive ramp, negative 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 –5 V to +5 V, nominal
Frequency parameters
Sine wave 0.1 Hz to 10 MHz, nominal
Triangle, square, ramp, pulse 0.1 Hz to 1 MHz, nominal
Noise bandwidth 10 MHz, nominal
Resolution 0.1 Hz
Frequency accuracy Same as RF reference source, nominal
Narrow pulse modulation (Option UNW) 1 () = typical
On/off ratio (> 80 dB)
Rise/fall times (Tr, Tf) < 10 ns; (7 ns)
Minimum pulse width ALC on/off ≥ 2 us/≥ 20 ns
Repetition frequency ALC on/off 10 Hz to 500 kHz/DC to 10 MHz
Level accuracy (relative to CW) ALC on/off 2 < ± 1.0 dB (± 0.5) dB/(< ± 0.5) dB
Width compression (RF width relative to video out) (< 5 ns)
1. Pulse specifications apply to frequencies > 500 MHz. Operable down to 10 MHz.
2. With power search on.