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


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978


AMC Model SW-2181-3AT-B3072 is an
Absorptive SP3T Switch Module With
Integral TTL Driver, Designed To Operate With a Single
Positive Supply Voltage.


 Frequency Range

1 – 2 GHz Minimum

 Insertion Loss

2.0 dB Maximum


80 dB Minimum

 VSWR (On/Off)

1.5:1 Maximum

 RF Power Handling

1 Watt 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
3 Individual Controls
Logic “0” = Insertion Loss
Logic “1” = Isolation

 Supply Power

+5 VDC ±5% @ 200 mA Maximum


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


1.63″ X 1.50″ X 0.50″


Available Options:


50 Ohm Control Impedance


100 Ohm Control Impedance


Inverse Control Logic (Logic “0” Isolation)


Video Filter (0.5 dB Excess Loss)


2 Bit Binary Decoder


Extended Frequency Range
(Consult Factory)


J4 SMA Male, J1-J3 SMA Female


J4 SMA Female, J1-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:

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Product Feature:

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