Model 1491 LIM
Low PIM Termination – 50 Watts, DC – 10 GHz
Connectors - Type N
Features
• Low Passive Intermodulation design (PIM)
• Smaller & lighter than coupler based designs
• Ideal for mobile infrastructure applications
• 100 % tested for IM3
• RoHS Compliant
Mechanical Specifications
Technical Specifications
Nominal Impedance
Frequency Range
50 Ω
Black finned, aluminum alloy body;
Construction
Low PIM connector construction.
DC to 10.0 GHz
Maximum SWR
165g (5.82 oz) maximum
Connectors
Weight
Options
Frequency (GHz)
DC – 10
SWR
1.20
Type
Description
Interface dimensions per
3
4
N Female MIL-STD 348 & IEC 60169-16. Mates
N Male non-destructively with MIL-PRF-39012
connector.
Power Rating
-
-
-
50 watts at 25° C ambient
Derated linearly to 5W at 125° C
5 KW peak @ 5 µsec pulse width & 0.05 % duty cycle
Swept data plots SWR from 50 MHz to 10 GHz are available
upon request.
Model Number Description
Temperature Range
-55°C to 125°C
1491 – X – LIM
Reflected Passive Intermodulation (PIM) Level
Maximum 3rd Order IM
-130 dBc
Basic
Model #
Connector
Option
Magnitude (IM3)
IM3 Levels
IM3 levels tested with two input signals @ 869 MHz and
891 MHz with average carrier power levels of +43 dBm each.
Rev Date: 3/31/2017
Page # 1
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