Advantest U3741

10	2 channel input (not retrofitable)
11	2-channel operation, 75 OHM (not retrofitable)
15	75 Ohm input impedance
20	Time base 2 x 10E-8/day
28	EMI filter 200 Hz / 9 KHz / 120 KHz / 1 MHz (and QP detector)
53	Time-domain analysis, 3 MHz
54	Time-domain analysis, 3 MHz, for 2-channel mode, with opt. 10
55	Time-domain analysis, 40 MHz
70	Improved phase noise performance with -100dBc/Hz at 10 kHz off carrier and additionally 30 Hz RBW (not retrofitable)
71	improved phase noise performance with -100dBc/Hz at 10 kHz off carrier and additionally 30 Hz RBW, for 2-channel mode, with opt. 10
75	Tracking generator with 75 Ohm output impedance (only model U3741)
76	3 GHZ Tracking generator