TTL controlled programmable attenuator | 0-63.75dB x 0.25dB steps

50 Ohm Programmable Attenuator | 0-63.75 x 0.25dB Steps | 30-3000MHz | TTL control

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JFW model 50P-2070 SMA is a TTL controlled solid-state programmable attenuator.  It has attenuation range 0-63.75dB x 0.25dB steps.  It operates 30-3000MHz and is rated for +27dBm.  It is available with 50 Ohm SMA female/female or SMA male/female connectors.

Documentation:

TTL Control
The attenuator has eight individually controlled steps:  0.25dB, 0.5dB, 1dB, 2dB, 4dB, 8dB, 16dB and 32dB. Each of the attenuation steps has a corresponding TTL control line. Use multiple control lines simultaneously to set combinational attenuation values.  To activate the 7.5dB setting, the 0.5dB/1dB/2dB/4dB control lines must all be TTL high.

TTL controlled programmable attenuator | 0-63.75dB x 0.25dB steps