The 701A Transmission Test Set measures transmission level, frequency and noise (including notch noise) on voice- grade, and program circuits up to 20kHz in bandwidth. …
The 500B Analog Monitoring Display Mainframe provides all required voltages and CRT display of signals generated by Halcyon plug-in modules.
Dual memory storage capability
Balanced analog signal …
The 519A Remote Retransmission System is designed to eliminate end-to-end coordination in the measurement of envelope delay and frequency response characteristics of a data channel. …
The 520B Universal Test System is a plug-in module for either the 504A mainframe (which provides operating voltages), or the 500B mainframe (which provides operating …