The DTA-100M18G-30-CD-1 from Planar Monolithics Industries is a 5 bit programmable pin diode attenuator with an attenuation range of 30 dB. It operates from 100 to 18 GHz with a switching time of 0.5 to 1 usec. It has an insertion loss of 5 dB, a VSWR of 2.5:1 and can handle up to 24 dBm of CW power. The attenuator requires a 15 V supply (VDC) with 0V and 5V for logic switching.