品牌：美国泰克 | Tektronix 

The TDS744A 4 Channel Digitizing Oscilloscope has a bandwidth of 500MHz and a sample rate to 2 GS/s. The maximum record length is 50,000 points per channel. The instrument is fully programmable via GPIB (IEEE 488.2) and has GPIB, RS-232 and Centronics I/O ports.

Features:

  - Bandwidth: dc to 500 MHz 
  - Vertical Sensitivity: 1 mV/div to 10 V/div 
  - 4 input channels 
  - Sample rate: 2 GSa/s (1 channel) 
  - Sweep speed: 10 s/div to 500 ps/div 
  - Color display 
  - Interfaces: GPIB, VGA out, RS-232, Centronics 
  - BNC(f) input connectors 
  - 1 megohm or 50 ohm input impedance 
  - 90-250 Vac; 45-440 Hz operation 
  - Weight: 27 lb; Size: 193 mm (7.6 in)H x 445 mm (17.5 in)W x 432 mm (17.0 in)D