Model Number

SLE9072          SLE9125        SLE9250

Center Frequency

70&140MHz     140MHz         1200MHz

1 dB RF bandwidth

72MHz             125MHz          250MHz

Maximum delay per channel

1400 ms           890ms             890ms

No. of Independent Channels

1, 2, 3, or 4

RF Input Power

0 dBm max

RF Output Power

0 dBm max @ 0 dB attenuation

In-band Spurious Suppresssion

-55 dBc typ, -45 dBc max
(5 dB degradation with 250 MHz bandwidth)

Noise Floor

-141 dBm/Hz typical

Amplitude Ripple

< 0.5 dB p-p, 1.5 dBp-p with 250 MHz BW

VSWR

1.5:1 max into 50 ohms

Delay

Range:
0.1 ms to:
1400 msec @ 72 MHz BW
890 msec @ 125 MHz BW
890 msec @ 250 MHz BW
Resolution:
Static mode:0.1 ns
Dynamic mode:0.5 psec
Slew Rate:
3×10−15 sec/sec up to 20 us/ms
Relative Accuracy:
± 1 ns plus 10 MHz reference

Frequency Offset

Range:
± 3.0 MHz
Resolution:
0.01 Hz
Absolute Accuracy:
based 10 MHz reference
Relative Accuracy:
± 0.1 Hz

Attenuation

Range:
0 dB to 70 dB
Resolution:
0.10 dB
Slew Rate:
>70 dB/ms
Accuracy:
± 0.20 dB

Phase Offset

Range:
0 to 180°
Resolution:
1°
Accuracy:
< 1°

Additive White Gaussian Noise

Crest Factor:
> 16 dB
Repetition Interval:
> 24 hrs
PDF Accuracy: 
< 1% from theoretical Gaussian over 6.66σ
Noise Bandwidth:
same as signal passband
Spectral Density Flatness:
< 0.1 dB p-p max
Noise Density Amplitude Range:
-95 dBm/Hz typ., to instrument noise floor
Noise Density Amplitude Resolution:
<=0.01 dB
Noise Density Amplitude Accuracy:
<+/- 0.2 dB

Eb/No

Ratio Range:
– 14 dB to +58 dB
Ratio Resolution:
0.01 dB
Ratio Accuracy:
+/- 0.2 dB

Multipath Fading

No. of Paths:
6
Path Characteristics:
Dynamic Profile Update Rate:
1 sec, affecting Doppler, delay, ,AoA, and attenuation
Distribution Types:
CW, Rayleigh, Rician, and off
Spectral Distribution Shape (Ray, Rice):
[SQRT{1-(f/fd)^{^2}] ^-1 with 6 dB peak @ fd
Probability Density Function:
Within 0.5 dB of theoretical from 10 dB above to 30 dB
below mean
Level Crossing Rate:
<+/-2.5% from theoretical, – 30 dB to +9 dB
Attenuation Range:
0 to 30 dB
Attenuation Resolution: 
0.1 dB
Doppler Spread:
0 to 10 KHz
Doppler Resolution:
1 Hz
Delay Range:
0 to 20 usec
Delay Resolution:
1 ns
Ricean K Factor: 
-10 to 20 dB
K Factor Resolution:
1 dB
Correlation:
0 to 100%, 1% steps
Angle of Arrival Range:
0 to 180°
Angle of Arrival Resolution:
1°

Dynamic mode

Profile Update Rate: 
1, 2, 5, 10, 20, 50, 100, 200, 500, and 1000 msec
Dynamic Parameters: 
Delay, Frequency Offset, Attenuation, AWGN, Multipath
Fading
Note: Update rate for multipath fading is fixed at 1000 msec 
Update Rate Accuracy:
Based on 10 MHz reference
Triggering:
Front panel keypad, LAN, or external signal
Triggering Accuracy:
Synchronized to begin on the 2nd update clock after trigger
Dynamic data file memory size:
>50 Mbytes

Control Interface

Local:
Front panel
Remote:
RJ45, IEEE-802.3

Internal Frequency Reference Error

< 2.5 PPM

Primary Power

Voltage:
90-264 VAC autoranging
Frequency:
48-66 Hz
Consumption:
300 V A max
Fuse:
4A slow-blow

Operating Ambient Temp

+10°C to +40°C

Dimensions

17″ W x 7.0″ H x 21″ D

Weight

1 Channel:
32lbs, with option L: 35 lbs
2 Channel:
33lbs, with option L: 39 lbs
4 Channel: 
35lbs, with option L: 47 lbs