Model 4092A 4092B 4092C 4092D 4092E. (1mHz step) 10Hz-100kHz 10Hz-200kHz 10Hz-300kHz 10Hz-500kHz 10Hz-1MHz. (1mVrms step) 10mVrms to 2Vrms. Test signal level. Constant current level 100μArms-10mArms. Rs-Xs, Z-θ, Y-θ, G-B.
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