Datasheet

Auxiliary input characteristics
External modulation input, channel
1 and channel 2
Input range
Characteristic
AM, FM, PM, PWM ±1 V full range
ASK, FSK, PSK 3.3 V logic level
Input impedance 10 kΩ
Frequency range 125 kHz (1 MSa/s)
External Trigger input
Level TTL compatible
Impedance 10 kΩ
Minimum pulse width 100 ns
Slope Positive or negative selectable
Trigger delay range 0 ns to 85 s
Trigger delay resolution 100 ps or 5 digits
Trigger latency, typical 390 ns (trigger input to signal output)
Jitter (RMS), typical < 100 ps (signal output, with external trigger input in burst mode)
10 MHz reference clock input
Impedance 1 kΩ, AC coupled
Required input voltage swing 100 mV
P-P
to 5 V
P-P
Lock range 10 MHz ±35 kHz
Channel 1 external add input
Impedance 50 Ω
Input range -1 V to +1 V (DC + peak AC)
Bandwidth DC to 10 MHz (-3 dB) at 1 V
P-P
Auxiliary output characteristics
Channel 1 trigger output
Level Positive TTL level pulse into 1 kΩ
Impedance 50 Ω
Jitter
Instrument
Characteristic
AFG31021, AFG31022,
AFG31051, AFG31052,
AFG31101, AFG31012
10 ps
AFG31151, AFG31152
TBD
AFG31251, AFG31252
TBD
Output frequency
Characteristic
Waveform frequency
< 4.9 MHz
Same as the waveform frequency
Waveform frequency
≥ 4.9 MHz < 50 MHz
A fraction of the waveform frequency
Waveform frequency
≥ 50 MHz
No output
AFG31000 Series
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