Agilent/ HP 8721A Directional Bridge, 100 kHz to 100 MHz

The Agilent 8721A is used in return-loss measurements made with a swept source such as a tracking generator and spectrum analyzer. This 50 ohm bridge (75 ohm optional) has a 6 dB insertion loss and 6 dB coupled to the auxiliary arm.

• Directivity: Greater than 40 dB, (1 to 110 MHz)
• Load-Port Return Loss: Greater than 30 dB
• Maximum Input Power: +20 dBm
• Frequency response: Plus/Minus 0.5 dB