SG503: Difference between revisions
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* [http://w140.com/smb/SG503_SM.pdf Tektronix SG503 Manual (OCR, PDF)] | * [http://w140.com/smb/SG503_SM.pdf Tektronix SG503 Manual (OCR, PDF)] | ||
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It was primarily intended to be used as an oscilloscope calibration device for measuring bandwidths up to 250 MHz. Unlike later instruments, it does not use a leveling head but was designed and calibrated with high quality coaxial cable (P/N 012-0482-00) to operate as a closely matched system when terminated into a 50 Ω load. | It was primarily intended to be used as an oscilloscope calibration device for measuring bandwidths up to 250 MHz. Unlike later instruments like the [[SG504]], it does not use a leveling head but was designed and calibrated with high quality coaxial cable (P/N 012-0482-00) to operate as a closely matched system when terminated into a 50 Ω load. | ||
Nine overlapping ranges cover the frequency band from 250 kHz to 250 MHz,with an additional range reserved for a 50 kHz reference frequency. | Nine overlapping ranges cover the frequency band from 250 kHz to 250 MHz, with an additional range reserved for a 50 kHz reference frequency. | ||
The SG503 shows the selected frequency on a 3-digit LED counter. | The SG503 shows the selected frequency on a 3-digit LED counter. | ||