Application Note: An Application Guide For 10 kHz To 3 MHz Impedance Matching Amplifiers

By Scott Elkins, Jason Smith, and Pat Malloy, AR

Due to a compromise in coaxial power handling capability and efficiency of power transfer, most RF coaxial cables have a characteristic impedance of 50 Ω. Regrettably, many low to mid-frequency RF applications are characterized by impedances other than 50 Ω. AR RF/Microwave has addressed this dilemma with the introduction of a 10 kHz to 3 MHz series of amplifiers that can incorporate a variable output impedance to better match those applications with load impedance other than 50 Ω.