---
title: "SAM 950 | Ruggedized Isotope Identifier (RIID)"
date: 2024-11-04T04:26:26Z
modified: 2026-03-02T09:20:27Z
permalink: "https://www.berkeleynucleonics.com/sam-950-riid/"
type: page
status: publish
excerpt: ""
wpid: 17836
---

  [ A 

####  Model 765 | Can I obtain negative pulses? 

 



 ](#) 

Yes. The Model 765 allows you to set the [pulse top](https://en.wikipedia.org/wiki/Pulse_generator) and pulse baseline from -2.5V to +2.5V.