Agilent Technologies 3588A User manual
Agilent Technologies
3588A
Data Sheet
Product Specifications
Amplitude Specifications
All receiver specifications apply from 10 Hz to 150 MHz and include 30 minute
warmup from ambient conditions unless otherwise noted. Typical performance is
applicable over ±5°C from the most recent autocalibration and is not warranted.
Supplemental characteristics are non-warranted functional and feature
information.
Amplitude measurement range
Maximum Safe Input Level: 50/75 Ohm 1M Ohm
Average Continuous Power: 26 dBm - (10 Hz to 150 MHz)
Combined AC/DC ±4 Vpk ±25 Vpk
Maximum Measured Input 20 dBm
Input range settings (characteristic only)
50 Ohm input (in 10 dB steps) +20 dBm to -20 dBm
75 Ohm input (in 10 dB steps) +22 dBm to -18 dBm w/included adapter
1M Ohm input 0 dBm (for reference impedance of 50 Ohm)
A/D overload level:2 dB (relative to selected range)
Dynamic range
Note: Dynamic range specifications apply with the source turned off.
Noise Level, 50 Ohm input (dBm/Hz using the marker noise function, -20 dBm
range)
The 50 ohm input noise level (dBm/Hz using the marker noise function,
-20 dBm range) will be typically -135dBc/Hz @ 1KHz and - 140 dBc/Hz
above 30 KHz to 100 MHz.
Specified for swept spectrum mode, with 50 Ohm input and low-distortion
mode off. Degrade 10 dB if in low-distortion mode and 2 dB if using
75 Ohm input.
For 1M Ohm input, noise is <-110 dBm/Hz below 40 MHz, with 1/f corner at
100 kHz.
Input noise is degraded 4 dB in narrowband zoom mode for spans >10 kHz, and 3 dB
for start frequency <30 kHz.
Note: Equivalent noise bandwidth is narrower than 1 Hz for spans below
150 Hz in the narrowband zoom mode, providing additional reduction in
phase noise from that shown above. This maintains good dynamic range,
even for extremely small offset frequencies in narrow spans. Noise is
reduced by 10 × log [1/noise bandwidth] dBc relative to the above graph.
Spurious Responses
General Spurious
Unless specifically mentioned in other spurious specifications, spurious
responses are <-70 dBc for signal levels = range. (<-80 dBc typical)
Harmonic distortion
Low-distortion mode, 50 and 75 Ohm inputs: Harmonic distortion products
are <-80 dBc (<-90 dBc typical) for spectrally pure input signals with
total input power level = range. Degrade specification by 10 dB when
low-distortion mode is off.
1M Ohm input:<-65 dBc (<-75 dBc typical)
Degrade harmonic distortion specifications by 10 dB (5 dB for 1M Ohm input) when
input frequency is less than 30 kHz.
Intermodulation distortion
Low-distortion mode, 50 and 75 Ohm inputs: Intermodulation distortion
products are <-80 dBc (<-90 dBc typical) with respect to 2 tones 6 dB
below range. Degrade specification by 10 dB when low-distortion mode
is off.
1M Ohm input: <-65 dBc (<-75 dBc typical)
Degrade intermodulation distortion specifications by 10 dB (5 dB for 1 MOhm
input) when input frequency is less than 30 kHz.
Residual responses
Residual responses are less than -110 dBm on the -20 dBm range.
Degrade specification by 10 dB when low-distortion mode is on.
Degrade 10 dB for 40 kHz spans in narrowband zoom mode.
Image, multiple and out-of-band responses
<-70 dBc (<-80 dBc typical) where applied signal level = range.
Local oscillator feedthrough
Local oscillator feedthrough (appears as signal at dc) is >20 dB below
range. Degrade specification by 10 dB when low-distortion mode is on.
Full Scale Absolute Accuracy
(applies over entire 0 to 55°C temp range)
10 Hz- 100 Hz- 30 kHz- 300 kHz- 40 MHz-
100 Hz 30 kHz 300 kHz 40 MHz 150 MHz
50 Ohm ±2.5 dB ±1.0 dB ±0.5 dB ±0.4 dB0.5 dB
input (1 dB typ) (0.5 dB typ) (0.2 dB typ) (0.2 dB typ)(0.2 dB typ)
75 Ohm ±2.5 dB ±1.0 dB ±0.8 dB ±0.8 dB ±0.8 dB
Input
1M Ohm ±2.5 dB ±1.0 dB ±0.6 dB ±0.6 dB
Input
The calibration procedures produce the greatest accuracy at 300 kHz.
Full-scale absolute accuracy at 300 kHz is ±0.3 dB (0.1 dB typical)
when input level = range.
Accuracy is specified for manual frequency or for sweeps where sweep
time is increased by a factor of 4. Add ±0.1 dB for autocoupled
sweep times.
Narrowband zoom: Measurement data is "windowed" in the FFT operation
of the narrowband zoom mode to optimize amplitude accuracy or frequency
resolution. This adds the following frequency response errors to the
full-scale absolute accuracy specifications.
High accuracy mode (Flat-Top window): ±0.005 dB
High resolution mode (Hanning window): +0, -1.5 dB
Scale fidelity (linearity)
Level Specified Typical
0 to -30 dB <0.05 dB 0.02 dB
-30 to -40 dB <0.1 dB 0.03 dB
-40 to -50 dB <0.3 dB 0.05 dB
-50 to -60 dB <0.5 dB 0.10 dB
-60 to -70 dB <0.7 dB 0.10 dB
-70 to -80 dB - 0.25 dB
-80 to -90 dB - 0.25 dB
-90 to -100dB - 0.40 dB
-100 to -110 dB - 0.70 dB
-110 to -120 dB - 4.0 dB
Level is relative to the input range
Specifications are valid for frequencies >100 kHz.
Example: To compute the typical accuracy for a signal of -45 dBm at
100 MHz with 50 Ohm full-scale range of -20 dBm and manual sweep,
sum the typical full-scale absolute accuracy and scale fidelity.
i.e. (0.2 dB + 0.02 dB) = 0.22 dB
Input Port Return Loss: >20 dB
Frequency Specifications
Frequency range
Specifications apply over the range of 10 Hz to 150 MHz
(10 Hz to 40 MHz for 1M Ohm input).
Frequency accuracy
Frequency accuracy is the sumofinitial accuracy, aging and
frequency counter resolution. Accuracy is measured with
frequency counter function.
Initial Accuracy Without opt. 001 With opt. 001
20 to 30°C ±0.5 ppm ±0.01 ppm
0 to 55°C ±3.0 ppm ±0.07 ppm
Aging ±0.25 ppm/mo. ±0.125 ppm/mo
*Add ±0.1 ppm if instrument is on < 48 hours
Frequency Counter Resolution: 0.1 Hz
Drift/residual FM
Frequency drift and residual FM are negligible, as the Agilent 3588A is
fully synthesized (phase-locked to frequency reference) during
sweeps. For frequency accuracy during sweeps, see the accuracy
specifications above.
Frequency span range (characteristic only)
Swept spans:
Range: 10 Hz to 150 MHz, and zero span
Resolution: 0.1 Hz
Accuracy: Greater of 0.1 Hz or .125% of span
Start/stop freq: 0 Hz to 150 MHz
Narrowband zoom spans:
Range: 1.23 Hz to 40 kHzin ×2 steps
Accuracy: ±0.001% of span
Resolution bandwidth
Swept spectrum: 1.1 Hz to 17 kHz ±10%
Narrowband zoom:
High-accuracy mode: 0.90% of span (11 mHz-360 Hz)
High-resolution mode: 0.37% of span (4.5 mHz-148 Hz)
Bandwidth selectivity
(shape factor or ratio of -60 dB to -3 dB bandwidths)
Swept spectrum mode (see also filter comparison graph)
Manual sweep: <4.0:1
Auto-coupled sweep: 4.3:1 (typical)
Auto-coupled oversweep: 5.1:1 (typical)
Narrowband zoom mode
High-accuracy mode: 2.6:1
High-resolution mode: 9.1:1
Narrowband zoom (FFT) equivalent noise bandwidth
High-accuracy mode: 0.955% of span
High-resolution mode: 0.375% of span
Measurement speed (maximum, characteristic only)
Sweep rate, oversweep off: RBW ÷ 2 Hz/s
Sweep rate, oversweep on: 4 × (RBW ÷ 2) Hz/s
Narrowband zoom mode: >7 measurements/s (for spans >=10 kHz)
Narrowband zoom (FFT): 400 ÷ span (Hz) seconds time record length
Note: Traditional analog RBW filters are usually swept at RBW ÷ 2 Hz/s
(or slower), to limit amplitude errors due to sweeping to <0.1 dB.
The oversweep mode of the Agilent 3588A provides up to 4 times faster
sweep times without increased error.
HP-IB binary trace output: approx. 120 ms/trace
Video Bandwidth
Coupled to RBW from (1.54 × RBW) to (0.012 × RBW) in 7 steps, and OFF
Source Specifications
Frequency range(characteristic only):10 Hz to 150 MHz
Amplitude range: +10 to -59.9 dBm and OFF
Amplitude resolution: 0.1 dBm
Absolute amplitude accuracy: ±1 dB
(300 kHz, +10 dBm output)
Dynamic accuracy
(add to absolute accuracy): Add 0.02 dB/dB below +10 dBm
Frequency response ±1 dB
(Variation relative to
level at 300 kHz):
Spurious products
Harmonic products: <-30 dB
Non-harmonic products: <-40 dB
Noise: <-80dB
Relative to the carrier in a 1 Hz bandwidth for offsets greater
than 500 Hz from the carrier)
Output Port Return Loss: >20 dB
General Specifications
Environmental
Temperature, standard instrument
Operating: 5 to 50°C
Storage (no disk in drive): -20 to 60°C
Temperature, delete disk option
Operating: 0 to 55°
Storage: -40 to 70°C
Humidity, non-condensing,
standard instrument
Operating: 8% to 80% at 30°C
Storage (no disk in drive): 5% to 95%
Humidity, non-condensing,
delete disk opt.
Operating: 5% to 95% at 40°C
Storage: 5% to 95% at 40°C
Altitude, standard instrument
Operating: 2150m (7000 ft)
Storage: 4570m (15,000 ft)
Altitude, delete disk option
Operating: 4570m (15,000 ft)
Storage: 4570m (15,000 ft)
Calibration
Calibration Interval: 1 year
Warmup time: 30 minutes
Physical
Power requirements
115 VAC operation 19-132 Vrms, 47-440 Hz
230 VAC operation 198-264 Vrms, 47-66 Hz
Max power dissipation 450 VA
Weight
Net: 28 kg (61 lbs)
Shipping: 38 kg (81 lbs)
Dimensions
Height: 222 mm (8.75 in)
Width: 425.5 mm (16.75 in)
Depth: 630 mm (24.8 in)
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