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{{TM500 | mfg=Tektronix | type=DC508 | function=1 GHz counter | class=counter | image=Tek dc508 front.jpg | introduced=1978 | discontinued=1983 | manuals= | {{TM500 | mfg=Tektronix | type=DC508 | function=1 GHz counter | class=counter | image=Tek dc508 front.jpg | introduced=1978 | discontinued=1983 | manuals= | ||
* [http://w140.com/smb/DC508_secured.pdf Tektronix DC508 Manual (OCR, PDF)]}} | |||
* [http://w140.com/smb/DC508A_SM.pdf Tektronix DC508A Manual (OCR, PDF)]}} | * [http://w140.com/smb/DC508A_SM.pdf Tektronix DC508A Manual (OCR, PDF)]}} | ||
The DC508A version (1980) extended the frequency range to 1.3 GHz. | The DC508A version (1980) extended the frequency range to 1.3 GHz. |
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