This is a genuine HP 08563‑60123 A5 Interface Filter Board (IF‑31229), removed from a working HP 8563E Spectrum Analyzer. The donor unit had a failed reference oscillator, but all other assemblies — including this board — were functioning properly at the time of disassembly.

This board is offered as a tested pull, ideal for repair, replacement, or restoration of HP 8563E analyzers.

Key Features

Original HP A5 Interface Filter BoardPart Number: 08563‑60123 ✔ IF‑31229 filter assembly ✔ Pulled from a functioning HP 8563E (oscillator fault unrelated to this board) ✔ Essential IF signal‑processing component ✔ OEM HP hardware — reliable and service‑grade ✔ Ideal for restoring proper IF filtering and signal path integrity


No further testing has been performed after removal. Ideal for repair, replacement, or restoration of compatible HP 8563E units.