DYNMAST Pty Ltd.
Tel: 61 2 9829 4133
Fax: 61 2 9618 2990
E-mail: bernie@dynmast.com.au



 



 

       FEATURES

     ·       High Isolation
·       Low Loss Diplexer
·      
Medium & High Power Versions
·       Low Intermodulation Design inc N Female connector

The AMA-4251-N & AMA-4251-N-HP are compact, stripline, Crossband Couplers
typically used to diplex 800-900 MHz AMPS / USDC and GSM with 1800 MHz systems, such as PCS / DCS 1800, PCS & 3G Networks, providing an effective solution to coupling the above bands to one feedline.

 

 

Part Number

Description
Frequency Range

Thru Loss

Return Loss
Isolation

Input Power
Impedance
Connector Type
Temperature Range
Package Size
 

AMA-4251-N
Medium Power                   

Xband Coupler / Diplexer

800-1000 MHz  (Low Band)
1710-2200 MHz (High Band)
<0.3dB (Low Band)
<0.7dB (High Band)

-15dB Max all ports
70-95dB Low Band to High Band
60-90dB High Band to Low Band
10 Watts CW per port
50 Ohms
N Female (Low IM Plated)

-30 to +60 Degrees C
124 x 118 x 19mm + Connectors
AMA-4251-N-HP
High Power
Xband Coupler / Diplexer
800-1000 MHz  (Low Band)
1710-2200 MHz (High Band)
<0.3dB (Low Band)
<0.7dB (High Band)

-15dB Max all ports
70-95dB Low Band to High Band
60-90dB High Band to Low Band
50 Watts CW per port
50 Ohms
N Female (Low IM Plated)

-30 to +60 Degrees C
265 x 120 x 65mm Inc Mtg
 

Mechanical outline - Medium Power Coupler/Diplexer

High Power
Xband Diplexer/Diplexer

Return Loss Plots
showing >20dB
Return Loss in both bands


 


 
HOME | ABOUT DYNMAST | MICROWAVE CATALOGUE | PRODUCT CATALOGUE