Additional Features: Synthesized 45 MHz to 26.5 GHz coverage Dedicated source for Agilent HP 8510 systems 1 Hz resolution The Agilent 83631A is a dedicated source optimized for use with Agilent 8510 systems. The Agilent 83631A combines the high performance and accuracy of a synthesized source with the speed and versatility of a sweep oscillator. The Agilent 83631A source does not have modulation capabilities or a front panel keyboard and display. The Agilent 83631A comes with a rear panel output. The Agilent 83631A is a Synthesized Source/Sweep Generator that provides broadband frequency coverage (45 MHz to 26.5 GHz) and precise 1 Hz frequency resolution.