What is the part number, or comparable replacement part, for the detection diodes found in the 08648-60025 RPP Module?
This product is obsolete, as seen by its product page:
Any information about the product is on the page above. In your case, it would be helpful to navigate to the "Document Library" Tab, and find the Service Manual, titled "8648A/B/C/D Signal Generator Operation and Service Guide". The document is free to view.
In the document, the part appears to be labeled as A12, and if you lookup that keyword in the document, you will find more information about the part.
In order to replace the part, a calibration also has to be done. For assistance with that, you can go back to the main product page, and click on "View Service Options", next to the Product Status line under the title. You can find all the service options on that page. The link is below.
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