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* [[Media:070-413.pdf|Tektronix 190A/190B Manual | * [[Media:070-413.pdf|Tektronix 190A/190B Manual]] | ||
* [[Media:Tek 190 distortion meter.pdf|Distortion Measurement Fixture for Tektronix 190 ( | * [[Media:Tek 190 distortion meter.pdf|Distortion Measurement Fixture for Tektronix 190]] (needs OCR) | ||
* [[Media:50MHz to 100MHz stoll march 1959.pdf|Generating 100 MHz from 50 MHz Output of 190 or TU-50]] | * [[Media:50MHz to 100MHz stoll march 1959.pdf|Generating 100 MHz from 50 MHz Output of 190 or TU-50]] | ||
* [[Media:Tek_type_190_a_b_factory_cal_proc.pdf|Tektronix 190 Factory Calibration Procedure]] | |||
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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 impedance of the load, within stated limits. | 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 impedance of the load, within stated limits. |