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190: Difference between revisions
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(New page: The Tektronix Type 190A and 190B Constant-Amplitude Signal Generator is a sine wave source that uses feedback to provide a signal whose amplitude does not vary with frequency or with the i...) |
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to the input. This interaction between is input impedance and gain measurements is | to the input. This interaction between is input impedance and gain measurements is | ||
often undesirable. Having a constant-amplitude source simplifies the measurement. | often undesirable. Having a constant-amplitude source simplifies the measurement. | ||
<gallery> | |||
Image:Tek 190b attenuator.jpg|190B attenuator | |||
Image:Tek 190b attenuator_entire.jpg|190B attenuator | |||
</gallery> | |||