MODULATION MODES
Sweep
Sweep Mode:
Internal: linear or logarithmic; sweep Start and Stop frequencies set
with 3 digit resolution. Setting accuracy ± 10 digits.
External: linear.
Sweep Width:
10:1 within each range.
Sweep Rate:
20ms to 1s in 10ms steps; 1s to 20s in 1s steps.
External Sweep:
By signal applied to EXT SWEEP socket.
AM/FM
By signal applied to AM/FM IN socket.
OUTPUTS
50
Ω
Main Out
Output Impedance:
50
Ω
.
Amplitude:
1V to 20V peak-peak in 100mV steps from 50
Ω
.
(0.5V to 10V into 50
Ω
).
Amplitude Accuracy:
± 10% of setting ± 1 step.
Attenuator:
0dB, –20dB or –40dB.
DC Offset Range:
± 10V in 100mV steps. DC offset plus signal peak limited to ± 10V
(± 5V into 50
Ω
). DC offset plus waveform attenuated proportionally by
the attenuator.
DC Offset Accuracy:
±10% of setting ± 1 step.
Aux Out
Output Level:
0 to 5V TTL/CMOS level capable of driving 4 standard TTL loads.
INPUTS
Input Characteristics
Input Impedance:
15k
Ω
Maximum Allowable
Input Voltage:
+10V
Sweep In
The AM/FM IN socket can be used for EXT SWEEP when INPUT is set to FM.
Input Sensitivity:
Approximately 0 to 4V for 10:1 sweep.
Maximum Slew Rate of
Sweep Voltage:
0.1V/µs
AM In
The AM/FM IN socket is set for AM when INPUT is set to AM.
Modulation Depth:
0 to 100%
Modulation Frequency:
DC to 50 kHz
Input Sensitivity:
Approximately 1V peak-peak for 50% modulation depth with output
set to 20V peak-peak.
3