TEKTRONIX TDS220. WITH TDS2CM RS232 GPIB CENTRONICS COMMUNICATION MODULE. TEKTRONIX TDS220 FEATURES ;. The Tektronix TDS220 is a 100 MHz, 2 channel digital oscilloscope. com for further assistance. Extended Capabilities Are Provided with Optional Modules, Software and Probing Applications (Only the TDS2CM is included here).
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