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| Model |
BNC Model 645 |
Agilent 33220A |
Stanford
Research DS345 |
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| Feature Name |
Function/Arbritary Waveform Generator |
Function/Arbritary Waveform Generator |
Synthesized
Function Generator |
| Price |
|
US $1465.00 |
US $1,850 |
US: $1,595 /
Int'l : $1,755 |
| Maximum
Frequency |
|
50MHz |
20MHz |
30MHz |
| Display |
|
Graph mode for visual verification of signal setting |
Graph mode for visual verification of signal setting |
Seven Segment Display / LED |
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| Waveforms
& Characteristic |
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| Sine |
Frequency Range |
1uHz to 50MHz |
1uHz to 20MHz |
1uHz to 30MHz |
| Amplitude Flateness (Rel. to 1KHz) |
0.1dB (<100KHz) |
0.1dB (<100KHz) |
|
| 0.15dB (<5MHz) |
0.15dB (<5MHz) |
|
| 0.3dB ( <20MHz) |
0.3dB ( <20MHz) |
|
| 0.5dB (<50MHz) |
n/a |
|
| Harmonic Distortion, dBc |
DC to 20KHz |
DC to 20KHz |
DC to 20KHz |
| -70
(< 1Vpp) -70 >
1 Vpp) |
-70 (< 1Vpp) -70 > 1 Vpp) |
< -55 |
| 20 KHz to 100KHz |
20 KHz to 100KHz |
20KHz to 100KHz |
| -65 (< 1Vpp) - 60 (> 1Vpp) |
-65 (< 1Vpp) - 60 (> 1Vpp) |
< -55 |
| 100 KHz to 1MHz |
100 KHz to 1MHz |
100KHz to 1MHz |
| -50 (< 1Vpp) - 45 (> 1Vpp) |
-50 (< 1Vpp) - 45 (> 1Vpp) |
< -45 |
| 1MHz to 10MHz |
1MHz to 10MHz |
1MHz to 10MHz |
| -40 (< 1Vpp) - 35 (> 1Vpp) |
-40 (< 1Vpp) - 35 (> 1Vpp) |
< -35 |
| 10MHz to 20MHz |
10MHz to 20MHz |
10MHz to 20MHz |
| -40 (< 1Vpp) - 35 (> 1Vpp) |
-40 (< 1Vpp) - 35 (> 1Vpp) |
< - 25 |
| 20MHz to 30MHz |
n/a |
20MHz to 30MHz |
| -35 (< 1Vpp) - 30 (> 1Vpp) |
< -25 |
| 30MHz to 50MHz |
n/a |
n/a |
| -35 (< 1Vpp) - 30 (> 1Vpp) |
| Total Harmonic Distortion |
DC to 20KHz (0.04%) |
DC to 20KHz (0.04%) |
not specified |
| Spurious, dBc (NonHarmonic) |
DC to 1 MHZ |
DC to 1 MHZ |
DC to 1 MHZ |
| -70 |
-70 |
-50 |
| 1MHz to 20MHz |
1MHz to 20MHz |
1MHz to 20MHz |
| -70 + 6dB /octave |
-70 + 6dB /octave |
|
| 20MHz to 30MHz |
n/a |
20MHz to 30MHz |
| -36 + 6dB / octave |
|
| 30MHz to 50MHz |
n/a |
n/a |
| -34 + 6dB/octave |
| Phase Noise (10K) |
115/dBc/Hz, Typical |
115/dBc/Hz, Typical |
< -50dBc |
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| Square |
Frequency Range |
1uHz to 25MHz |
1uHz to 20MHz |
1uHz to 30MHz |
| Rise/Fall Time |
< 10nS |
< 13nS |
15nS |
| Overshoot |
< 2% |
< 2% |
< 5% |
| Variable
Duty Cycle |
20% to 80% ( < 10MHz) |
20% to 80% ( < 10MHz) |
not specified |
| 40% to 60% ( < 25MHz) |
40% to 60% ( < 25MHz) |
| Asymetry |
1% of period + 5nS (@50% DC) |
1% of period + 5nS (@50% DC) |
1% of period +
4nS |
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| Ramp, Triangle |
Frequency |
1uHz to 200KHz |
1uHz to 200KHz |
1uHz to 100MHz |
| Linearity (of peak output) |
< 0.1% |
< 0.1% |
+0.5% |
| Symetry |
0.0% ~ 100% |
0.0% ~ 100% |
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| Pulse |
Frequency |
500uHz to 10MHz |
500uHz to 5MHz |
NONE |
| Pulse Width (minimum) |
20 nS |
20 nS |
| Variable Edge Time |
< 10nS to 100nS |
< 13nS to 100nS |
| Overshoot |
< 2% |
< 2% |
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| Noise |
Frequency
(typical) |
20MHz |
10MHz |
10MHz |
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| Arbritrary |
Frequency |
1 uHz to 10MHz |
1 uHz to 6MHz |
|
| Length |
2 to 256K |
2 to 64K |
8 to 16K |
| Resolution |
14 bits |
14bits |
12 bits |
| Sample Rate |
125 MSa/S |
50 MSa/s |
40 MSa/S |
| Rise/Fall time |
35 nS |
35 nS |
45 nS |
| Linearity (of peak output) |
< 0.1% |
< 0.1% |
+0.5% |
| Settling time |
< 250 nS to
0.5% final Value |
< 250 nS to
0.5% final Value |
< 1000 nS to
0.1% of final value |
| Jitter (RMS) |
6 nS + 30ppm |
6 nS + 30ppm |
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| Modulation |
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| AM |
Carrier |
Sine, Square,
Ramp, Arbritrary |
Sine, Square,
Ramp, Arbritrary |
Sine, Square,
Ramp, Triangle |
| Source |
Internal /
External |
Internal /
External |
Internal /
External |
| Internal Modulation |
Sine, Square, Ramp, Triangle, Noise, Arbritrary |
Sine, Square, Ramp, Triangle, Noise, Arbritrary |
Sine, Square, Ramp, Triangle, |
| Frequency (Internal) |
2mHz to 20KHz |
2mHz to 20KHz |
1mHz to 10KHz |
| Depth |
0.0% ~ 120.0% |
0.0% ~ 120.0% |
0.0% - 100.0% |
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| FM |
Carrier |
Sine, Square, Ramp, Arbritrary |
Sine, Square, Ramp, Arbritrary |
Sine, Square, Ramp, Triangle, Arbritrary |
| Source |
Internal /
External |
Internal /
External |
Internal |
| Internal Modulation |
Sine, Square, Ramp, Triangle, Noise |
Sine, Square, Ramp, Triangle, Noise |
Sine, Square, Ramp, Triangle, Arbritrary |
| Frequency (Internal) |
2mHz to 20KHz |
2mHz to 20KHz |
1mHz to 10KHz |
| Deviation |
DC to 25MHz |
DC to 10MHz |
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| PM |
Carrier |
Sine, Square,
Ramp, Arbritrary |
Sine, Square,
Ramp, Arbritrary |
Sine, Square,
Ramp, Triangle |
| Source |
Internal /
External |
Internal /
External |
Internal |
| Internal Modulation |
Sine, Square, Ramp, Triangle, Noise |
Sine, Square, Ramp, Triangle, Noise |
Sine, Square, Ramp, Triangle, Arbritrary |
| Frequency (Internal) |
2mHz to 20KHz |
2mHz to 20KHz |
1mHz to 10KHz |
| Deviation |
0 to 360o |
0 to 360o |
+7199.99o |
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| PWM |
Carrier |
Pulse |
Pulse |
NONE |
| Source |
Internal /
External |
Internal /
External |
| Internal Modulation |
Sine, Square, Ramp, Triangle, Noise |
Sine, Square, Ramp, Triangle, Noise |
| Frequency (Internal) |
2mHz to 20KHz |
2mHz to 20KHz |
| Depth |
0% to 100% of
Pulse Width |
0% to 100% of
Pulse Width |
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| FSK |
Carrier |
Sine, Square,
Ramp, Arbritrary |
Sine, Square,
Ramp, Arbritrary |
NONE |
| Source |
Internal /
External |
Internal /
External |
| Impedance |
50% Duty Cycle
square |
50% Duty Cycle
square |
| Frequency (Internal) |
2mHz to 20KHz |
2mHz to 20KHz |
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| SWEEP |
Waveforms |
Sine, Square,
Ramp, Arbritrary |
Sine, Square,
Ramp, Arbritrary |
|
| Type |
Linear /
Logarithmic |
Linear /
Logarithmic |
Linear / Logarithmic / Phase Continuous |
| Direction |
Up / Down |
Up / Down |
Up / Down |
| Sweep Time |
1 mS ~ 500 Sec |
1 mS ~ 500 Sec |
1 mS ~ 1000 Sec |
| Trigger |
Internal /
External / Manual |
Internal /
External / Manual |
|
| Marker |
Falling Edge of Sync signal (Programable Frequency) |
Falling Edge of Sync signal (Programable Frequency) |
TTL |
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| BURST |
Waveforms |
Sine, Square, Ramp, Triangle, Noise |
Sine, Square, Ramp, Triangle, Noise |
Sine, Square, Ramp, Triangle, Arbitrary |
| Type |
|
|
|
| Start / Stop Phase |
-360o to +360o |
-360o to +360o |
|
| Internal Period |
1 uS ~ 500 Sec |
1 uS ~ 500 Sec |
|
| Gated Source |
External Trigger |
External Trigger |
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| Trigger Source |
Internal /
External / Manual |
Internal /
External / Manual |
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| Trigger Input |
Level |
TTL Compatible |
TTL Compatible |
TTL Compatible |
| Slope |
Rising or
Falling Edge |
Rising or
Falling Edge |
Rising or
Falling Edge |
| Pulse Width |
> 100 nS |
> 100 nS |
not specified |
| Impedance |
> 10 K Ohm |
> 10 K Ohm |
not specified |
| Latency |
< 500 nS |
< 500 nS |
not specified |
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| Trigger Output |
Level |
TTL Compatible |
TTL Compatible |
TTL Compatible |
| Pulse Width |
> 400 nS |
> 400 nS |
|
| Impedance |
50 Ohm |
50 Ohm |
|
| Maximum Rate |
1 MHz |
1 MHz |
10 KHz |
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| External Modulation Input |
Voltage Range |
+5V Full Scale |
+5V Full Scale |
+5V Full Scale (AM Only) |
| Internal Modulation |
5 K Ohm |
5 K Ohm |
100 K Ohm |
| Bandwidth |
20 KHz |
20 KHz |
15 KHz |
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| GENERAL |
| Interface |
GPIB |
Yes (Option) |
Yes |
Yes (Option) |
| |
USB |
Yes |
Yes |
No |
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LAN (Ethernet) |
Yes |
Yes |
No |
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RS - 232 |
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Yes (Option) |
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| Language |
SCPI - 1993 |
Yes |
Yes |
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IEEE-488.2 |
Yes |
Yes |
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Included
Software |
WaveCrafter |
Intuilink |
DOS based
Waveform Software |
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| Other |
Warranty |
1 Year |
1 Year |
1 Year |
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Dimension |
8.75 x 4.25 x 15
(WHD in inches) |
10.25 x 4.1 x 15
(WHD in inches) |
8.5 x 3.5 x 13
(WHD in Inches) |
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| Specifications
and pricing subject to change. Information taken from SRS and Agilent
Websites on November 14, 2008. |
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