The Model 1520 is a wideband, solid state, sweep generator with a frequency coverage of 50 KHz to 1200 MHz in six overlapping bands. The unit delivers a full 0.5 V rms signal into 500 from 50 KHz to 300 MHz and 1.0 V rms from 275 to 1200 MHz. The 1520 will provide accurate wide or narrow sweeps at center frequencies, determined by the operator, tbroughout the specified frequency range.