User`s manual

VXI Technology, Inc.
20 SM8000 Series Introduction
SM8201 / SM8202 - OPTICAL ATTENUATORS
The SM8201 and SM8202 are single-slot VXIbus modules. The SM8201 is a single-channel
variable attenuator, and the SM8202 is a two-channel variable attenuator.
SM8201 / SM8202 SPECIFICATIONS
ATTENUATOR
1
ATTENUATION RANGE
2
0 – 30 dB
Resolution
Repeatability
PDL
3
Absolute accuracy
0.10 dB
±0.01 dB
±0.20 dB
0.10 dB
INSERTION LOSS
0.8 dB typical, 1.3 dB maximum
BACK REFLECTION
-50 dB maximum
TURNING SPEED
50 ms minimum, 1400 ms maximum
DAMAGE THRESHOLD
24 dBm maximum
OPERATING TEMPERATURE
0 °C – 50 °C
STORAGE TEMPERATURE
-20 °C – 70 °C
HUMIDITY
40 °C / 90% Relative Humidity / 5 days
Notes
1 All specifications referenced without connectors.
2 Maximum attenuation for multi-mode components is 30 dB.
3 Measured at 1550 nm, single-mode only.