F req u en cy ran g e : 10 M H z to 8 G H z R4136 F req u en cy accu racy : ±100 kHz - - - - S p ectru m an aly zer In p u t fre g u e n c y ra n g e: 100 kH z to TR4171 1.8G H z or T ra c k in g g e n e ra to r o u tp u t:kH z to R4136 + TR4154 1.8 GHz T .G . o u tp