Specifications

26 Appendix B. Connector pinouts
cutoff.For higherbandwidths,use an external bias-tee such as the
MinicircuitsZFBT-6G+between the head board and the diode.
The input sensitivity depends on the diode impedance, typically
about50Ω. Thusa0dBmsignalcorrespondstoabout0.2Vand
a current ofaround 4mA at the diode.Thatis, the current sensitiv-
ity is approximately 20mA/V.
WARNING: The RFinput is a direct connection to the laser diode.
Excessivepowercandestroythediode. Itisseparatedfrom the
headboardrelaybyaninductor,andthustherelaydoesnot provide
protection from high frequency signals.