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Specifications
Table 3-1. Specifications, Continued
Sinewave Spectral Purity
DC Offset
Phase Noise:
- 60 dBc for a 30 kHz band centered on a 20 MHz
carrier (excluding ±
1
Hz about the carrier) with
option 001 installed.
Spurious:
All non-harmonicaliy related output signals will be
more than 70 dB below the carrier (- 60 dBc with
dc offset), or less than - 90 dBm, whichever is
greater.
Waveform Characteristics
Range:
DC only (no ac signal): 0 to ± 5.0 V/50Q
DC + AC: Maximum dc offset ± 4.5V highest
range; decreasing to ± 4.5mV lowest range.
Resolution: 4 digits
Accuracy:
DC only: ± .02 mV to ± 20 mV, depends offset
chosen.
DC + AC, to 1 MHz: ± .06 mV to ± 60mV depends
on ac output level, ± .2 mV to ± 120 mV for ramps
to 10 kHz.
DC + AC, 1 MHz to 20 MHz: ± 15 mV to
±150 mV, depends on AC output level.
Sinewave Harmonic Distortion:
Harmonically related signals will be less than the
following levels relative to the fundamental:
Frequency Range
Harmonic Level
.1 Hz to 50 kHz
- 65 dBc
50 kHz to 200 kHz
- 60 dBc
200 kHz to 2 MHz
- 40 dBc
2MHzto15MHz
- 30 dBc
15 MHz to 20 MHz
-^5 dBc
Squarewave Characteristics:
Rice/fall time: < 20 ns 10% to 90%, at full output
Overshoot: < 5% of peak to peak amplitude, at full
output.at 1 MHz.
Settling time: < l/^s to settle to within .05 of final
value, tested at full output with no load, 10 Hz to
500 kHz.
Symmetry: < .02% of period +3 ns.
Triangle/Ramp Characteristics:
Triangle/ramp linearity (10% to 90%, 10 kHz):
± .05% of full p-p output for each range.
Ramp retrace time: ^3/^s, 90%to 10%.
Period variation for alternate ramp cycles £ 1 %
of period.
Phase Offset
Range:
±719
.
9
°
with respect to arbitrary starting phase, or
assigned zero phase.
Resolution: O.r
Increment Accuracy: ± 0.2®
Stability: ± 1.0 degree of phase/®C
Sinewave Amplitude Modulation
Modulation Depth (at full output for each range):
0
-
100
%
Modulation Frequency Range:
DC to 400 kHz (0-21 MHz carrier frequency)
Envelope Distortion:
- 30 dB to 80% modulation at 1 kHz, 0 Vdc offset
Sensitivity:
± 5V peak for 100% modularton
input Impedance: lOkQ
Connector: Rear panel BNC
3-7
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