TheAgilent 54657A is compatible with all Agilent 54600 products. The 54657Acan be used with the Agilent 54620A/C logic analyzers for I/0 only.
Specifications
FFT feature allows you to analyze your signal in the frequency domain
Adds GPIB and remote programming capability
Can store up to 100 traces in nonvolatile memory
Adds unattended waveform monitoring - can store out-of-limit traces