Weinschel_Engineering 1830N The 1830N Voltage Doubler is a micr

The 1830N Voltage Doubler is a microprocessor controlled, precision calibrator specially designed to verify the calibration of the VM-4, VM-7, VM-24, and other attenuation measuring instruments and receivers. The frequency range if the instrument is dc to 2.0GHz. The unit has 2 channels, one calibrated @ 1.25MHz and 30MHz and the other dc to 2GHz. The maximum input level is 27 dBm (1 watt). The nominal impedance is 50 ohms.