Adaura Technologies

The Adaura Technologies AD-USB4A series of digital programmable attenuators offers the best in class of performance, size, cost, and ease of programmability. The AD-USB4A provides 0.05-6.00GHz 50 ohms operations in 1dB steps. Four independent channels can be controlled and powered via one single USB port thus greatly reducing test set up complexity. An easy to use GUI provides fixed attenuations as well as flexible ramp functions. Custom automation is easily accomplished via simple serial port commands on any Windows or Linux based PC. It can be adapted to any existing automatic test equipment with minimal effort.

Specifications

 

ELECTRICAL PARAMETERSMINMAXNOTE
Operating Frequency 0.05 GHz 6 GHz 50 ohms
Attenuation 0 dB 63 dB  
Attenuation Step Size 1 dB    
Input 1dB Compression Power 25 dBm    
Input IP3 Power 45 dBm    
Insertion Loss 2.5 dB 6 dB 0.05-3 GHz
Insertion Loss 7 dB 9 dB 3-6 GHz
Chain to Chain Isolation >63 dB
Attenuation Accuracy   +/-(0.60 dB +5% of Atten. Setting) Referenced to Insertion Loss
Switching Speed 1 ms
Return Loss Better than 10 dB All States
Power ~50 mA
Operating Temperature -10C to 70C
Communication USB (Virtual COM Port)