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190: Difference between revisions
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range is 350 kHz to 50 MHz. The amplitude measurement is made using a peak-to-peak | range is 350 kHz to 50 MHz. The amplitude measurement is made using a peak-to-peak | ||
(envelope) detector in an external attenuator head that is connected to the main | (envelope) detector in an external attenuator head that is connected to the main | ||
unit by a special cable. The 190A uses a 6110 double diode tube for the detector. | unit by a special cable. The 190A uses a [[6110]] double diode tube for the detector. | ||
The 190B uses two 1N87A germanium diodes for the detector. | The 190B uses two [[1N87A]] germanium diodes for the detector. | ||
The 190 is useful for measuring the frequency response of a device whose input | The 190 is useful for measuring the frequency response of a device whose input | ||