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


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978

SW-2181-2AT-B1072 & B2072

AMC Model SW-2181-2AT-B1072 & B2072 is an
Absorptive SPDT Switch Module With
Integral Driver, Designed To Operate With a Single Positive
Supply Voltage


 Frequency Range

1 – 2 GHz Minimum

 Insertion Loss

B1072: 1.3 dB Maximum
B2072: 1.1 dB Maximum


B1072: 70 dB Minimum
B2072: 50 dB Minimum

 VSWR (On/Off)

1.5:1 Maximum

 RF Power Ratings

+20 dBm CW Maximum

 Switching Time

Rise (10% RF  To 90% RF): 500 ns Maximum
Fall  (90% RF  To 10% RF): 500 ns
On  (50% CTL To 90% RF):     1 us Maximum
Off  (50% CTL To 10% RF):     1 us Maximum


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

 Supply Power

+ 5 VDC ±5% @ 220 mA Maximum


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


1.63″ X 1.25″ X 0.50″


Available Options:


0.9 to 1.5 GHz


50 Ohm Control Impedance


100 Ohm Control Impedance


Inverse Control Logic (Logic “0” Isolation)


Video Filter (0.5 dB Excess Loss)


Single Control (Logic “0” J1-J2)


Extended Frequency Range
(Consult Factory)


J1 SMA Male, J2-J3 SMA Female


J1 SMA Female, J2-J3 SMA Male


+9 VDC To +18 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:

Click here to see the Outline Drawing for

SW-2181-2AT-B1072 & B2072


Product Feature:

Click here to see the Product Feature for

SW-2181-2AT-B1072 & B2072


Product Feature (0.9 to
1.5 GHz, 70 dB Isloation):

Click here to see the Product Feature for

SW-2181-2AT Options B1072, 900M105