|ptf 2210A||Low Phase Noise Quartz||ptf 4211A||Std. Performance Rubidium|
|ptf 4210A||High Performance Rubidium||ptf 4220A||Ultra Low Noise Rubidium|
ptf Quartz and Rubidium Frequency Standards provide a range of capabilities including ultra low phase noise options, multiple frequency outputs, remote monitor/control, external input disciplining capability and much more. These frequency standards provide an excellent stand-alone solution when GPS is either unavailable or unnecessary for the application requirements. Many units also include the option for external disciplining to a 1PPS source if required.