Test Board for the HP 5087A Distribution Amplifier Boards

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

One DIY input pre-amplifier board for the HP 5087A replaces 05087-60004

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

One DIY 2X Multiplier board for the HP 5087A 5MHz In 10MHz Out like 05087-60011

Test and Interface Board for the HP AGILENT 10811A 10544A 10544B

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

Black Instrument Control Knobs with White Marker 1/4" Shaft Tektronix