American Microwave Corporation
7309-A Grove Road
Frederick, MD 21704


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978


Model SW-2181-2AT is a Broadband SP2T
Covering the 2-18 GHz Frequency Band.
It Features Off-Arm Terminations that Provide Reflection-less
Performance When
the Arm is Switched “ON” or “OFF”.  Integral TTL Driver
is Unit Load TTL Compatible,
with One Control per Arm.


 Frequency Range

2 – 18 GHz

 Insertion Loss

3.3 dB Maximum


55 dB Minimum


On/Off: 1.9:1 Maximum

 Rise/Fall Time

50 ns Maximum (10% to 90% RF)
50 ns Maximum (90% to 10% RF)

 RF Power

+20 dBm Maximum


TTL Compatible, One “Unit Load”
2 Individual Controls
Logic “1” RF – On
Logic “0” RF – Off

 Power Requirements

+5 Vdc @ 130 mA Maximum
-15 Vdc @ 60 mA Maximum


RF: SMA Female
Power: RFI Solder Pin
Control: Solder Pin


Available Options:


RF Male SMA Connectors


35 dB Minimum Isolation


-12 Vdc Supply


+15 Vdc Supply


Reverse Logic


-5 Vdc Supply


10 ns Maximum Rise/Fall Time


Extended Frequency Range to 500 MHz

Environmental Ratings:

Our standard
environmental ratings are as follows, for specific
requirements please contact us…

 -65 ºC to +110
ºC Operating
ºC to +125 ºC Non-Operating
 Humidity:  MIL-STD-202F,
Method 103B Cond. B
 Shock:  MIL-STD-202F,
Method 213B Cond. B
 Vibration:  MIL-STD-202F,
Method 204D Cond. B
 Altitude:  MIL-STD-202F,
Method 105C Cond. B

 Temperature Cycle:
Method 107D Cond. A


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