One DIY 10MHz output amplifier board for the HP 5087A Replaces 05087-60012

One DIY divider board for the HP 5087A 5MHz or 1MHz from a 10MHz input

100MHz OCXO 20dBm out Step Recovery Diode driver -154dBc/Hz@2KHz OS PN issue 3!!

One DIY OCXO Timebase Board for the HP Agilent 5334A Frequency Counter

External Reference Enhancement board for the HP Agilent 5328A 5328B Counter

One 5MHz OCXO Board (option 1) for the Tektronix DC502

One MINI-CIRCUITS ZFM-1H Double Balanced Mixer 2MHz - 500Mhz

Distribution Amplifier 10MHz Isolated for GPSDO OCXO Rubidium w/2 SMA outputs