Tektronix 2706 Stepping RF Preselector The Tektronix 2706 is a used Stepping RF Preselector The Tektronix 2706 Stepping RF Preselector facilitates distortion-free measurements in the presence of large signals at the spectrum analyzer input. If total signal power at the first mixer stage of the spectrum analyzer exceeds the 1 dB compression point, inaccurate amplitude amplitude measurements and spurious intermodulation products can result. The unit enables the spectrum analyzer user to make accurate measurements over a wider range of signal environments by significantly attenuating undesired out-of-band signals, reducing energy from high amplitude, short duration pulses and minimizing the total number of individual signals present at the analyzer input.
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