| Products > Test Equipment |
| I am looking for a custom op-amp IC from Advantest R3xxx, spectrum analyzer. |
| (1/1) |
| ARF:
I have been restoring Advantest R3265A for a long time and I need this amplifier. It is applied in several places in the device. Maybe someone has the R3265A IF-board or another Advantest spectrum analyzer for parts from the mid-90s? TOP MARKING - A-7111 mark in the service manual - SHB-001655 video amp |
| nctnico:
Can you post the part of the schematic it is in? That could serve as pointers to what kind of part it is. Likely it is a custom part but maybe there are alternatives. |
| Alex Eisenhut:
Looks lumpy, probably a hybrid. Good luck! |
| ARF:
This is a step amplifier, which consists of four such ICs. I think that pin 3 - gain selection will create a problem with replacing with a conventional amplifier. |
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