For example: Agilent E4440A or Anritsu 68369
Oscilloscopes
Tektronix 2245A
Tektronix 2245A Four Channel Dual Sweep Analog Oscilloscope, 100 MHz
Manufacturer: Tektronix
Fluke 225C/S
200 MHz, 2.5 GS/s, with Bus Health test capabilities built-in, and SCC190 kit
Manufacturer: Fluke