Tektronix SM-11 Multi-channel Expansion Unit for 11801C

The Tektronix SM-11 Multi-channel Unit expands the 11801B Oscilloscope to 136 channels. Each SM-11 accepts up to 16 of the SD-Series sampling heads. An 11801B mainframe with option 1M is capable of driving up to four SM-11 units. The entire system can be driven through a single GPIB address.

The 11801B/1M acquisition system is designed to acquire up to 68 channels in a single acquisition. Thus, two acquisition cycles are necessary to acquire all 136 channels.