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TMTA Test Adapters

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Durable, precision Coaxial Transmission Line Test Adapters provide superior electrical performance and reliable service in engineering development, troubleshooting evaluation and production test applications.  

Ruggedly constructed from gold-plated beryllium copper and stainless steel, these 50 Ohm adapters are well suited for use in laboratories as well as production and field environments where more fragile adapters do not hold up. They exhibit long-term stability of electrical performance, and provide low attenuation and VSWR, resulting in more accurate measurements.


 

ADAPTER CHARACTERISTICS 

 Electrical Characteristics

Tested Frequency Range

0.5 to 18 GHz (typical, or dependant on Interface specified)

Characteristic Impedance

50 Ohms

VSWR

Less than 1.10:1 typical, 1.25:1 maximum

Insertion Loss

0.15 dB typical

Maximum Operating Power

100mW / +20dBm

 

Mechanical Characteristics

Contact Materials

Gold-Plated Beryllium Copper

Dielectric Materials

PTFE (Polytetrafluoroethylene)

Coupling Nut Material

Passivated Stainless Steel

Interface Definition

In accordance and/or compatible with MIL-T-81490, MIL-C-87104, MIL-C-39012 and MIL-STD-348 requirements

 

Available Adapter Interface Types

Interface Type

Interface

Designator

SMA Male

SMAM

SMA Female

SMAF

3.5mm Male

3.5M

3.5mm Female

3.5F

7mm Front End

7MM

TNC Male

TNCM

TNC Female

TNCF

N Male

NM

N Female

NF

M8 (and P8) Plug

MP8P

M8 (and P8) Socket

MP8S

P8 (and M8) Plug

MP8P

P8 (and M8) Socket

MP8S

SC Male

SCM

SC Female

SCF

TK Male

TKM

TK Female

TKF

HN Male

HNM

HN Female

HNF

50 Ohm Load

Load

Open Circuit

Open

Short Circuit

Short

 

Testing

Each Test Adapter is tested to verify VSWR performance over the Test Frequency Range.

Typical Adapter Configuration   Part Number: TMTA/SMAF/TKF     

Test Cable Assemblies and Products

 

ORDERING INFORMATION

A complete Part Number is specified as follows:

                                TMTA/C1/C2

Where          C1  =  Interface 1 Designator

                      C2  =  Interface 2 Designator

NOTE that Interface Designators are to be placed in alphanumeric sequence.

(This eliminates redundancies in part number control and stocking.)

   Example 1 – SMA female to TK female adapter part number is TMTA/SMAF/TKF

   Example 2 - TNC male to N female adapter part number is TMTA/NF/TNCM

   Example 3 - TNC female to 3.5mm male adapter part number is TMTA/TNCF/3.5M