For example: Agilent E4440A or Anritsu 68369
Amplifier Research Amplifiers
RF Amplifiers
Amplifier Research 75A250
10KHz-250MHz, 75W Solid State LInear Amplifier
Manufacturer: Amplifier Research
Amplifier Research 75A250A
75W CW, 10Khz-250Mhz, Amplifier (w/ DCP, IEEE & RS-232 interfaces)
Manufacturer: Amplifier Research
Amplifier Research 75AP250
5MHz-250MHz, 75W Solid State LInear Amplifier
Manufacturer: Amplifier Research
Amplifier Research DC6180A
80-1000MHZ, 600W, DUAL DIR COUPLER, Type N
Manufacturer: Amplifier Research
Amplifier Research KAA5020
Wideband Amplifier, 1 MHz - 50 MHz, 1000w
Manufacturer: Amplifier Research