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


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978


AMC Model SW-2181-2A-CS01 is a Reflective,
Broad-Band SPDT Switch Module With
Integral TTL Driver, Packaged in a Miniature Housing, Designed
to Maintain a Very
Low Switching Transient Distortion on RF Ports. 
Applications Are For Highly Sensitive
Multichannel Receivers And Signal Detecting Devices


 Frequency Range

0.25 – 18.25 GHz Minimum

 Insertion Loss

2.5 dB Maximum


60 dB Minimum

 VSWR (On)

1.9:1 Maximum

 Switching Time

Rise (10% RF  To 90% RF): 5 us Min., 25 us Max.
Fall  (90% RF  To 10% RF): 5 us Min., 25 us Max.
On  (50% CTL To 90% RF): 30 us Maximum
Off  (50% CTL To 10% RF): 30 uS Maximum


TTL Compatible, Unity Load
2 Individual Controls
Logic “0” = Isolation
Logic “1” = Insertion Loss

 RF Power Ratings

+20 dBm CW Maximum

 Power Supply

+ 5 VDC ±5% @ 65 mA Maximum
-12 VDC ±5% @ 65 mA Maximum


RF Input/Output: SMA Female
Power: Solder Pin
Control: Solder Pin


0.80″ X 0.62″ X 0.38″


Available Options:


50 Ohm Control Impedance


100 Ohm Control Impedance


Inverse Logic (Logic “0” Insertion Loss)


Single Control (Logic “0”, J1-J2 Path On)


J1 SMA Male, J2 and J3 SMA Female


J1 SMA Female, J2 and J3 SMA Male


-15 VDC Supply


–  5 VDC Supply

Environmental Ratings:

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

 -55 ºC to +95
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


Outline Drawing:

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Product Feature:

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