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Tektronix TDS744A Oscilloscope, Digital: 500MHz,2GSa/s,4ch (Stand alone)
The Tektronix TDS744A oscilloscope is a graph-displaying device – it draws a graph of an electrical signal. In most applications, the graph shows how signals change over time: the vertical (Y) axis represents voltage and the horizontal (X) axis represents time. The intensity or brightness of the display is sometimes called the Z axis.
The Tektronix TDS744A oscilloscope's simple graph can tell you many things about a signal, such as: the time and voltage values of a signal, the frequency of an oscillating signal, the “moving parts” of a circuit represented by the signal, the frequency with which a particular portion of the signal is occurring relative to, other portions, whether or not a malfunctioning component is distorting the signal, how much of a signal is direct current (DC) or alternating current (AC) and how much of the signal is noise and whether the noise is changing with time.
| Form Factor | Benchtop |
| Bandwidth | 500 MHz |
| Number of Channels | 4 ch |
| Simultaneous Channels | 4 ch |
| Simultaneous Maximum Sampling Rate/ch | 1 GSa/s |
| One ch. only max. sampling rate | 2 GSa/s |
| Max. Record Length | 50000 pt/sec |
| Min. Vertical Sensitivity | 1 mV/div |
| Maximum Vertical Sensitivity | 10 V/div |
| Channel to Channel Delay | 50 ps |
| Rise time | 700 ps |
| Number of Bits | 8 bits |
| Input Impedance | 1 MOhm |
| Input Impedance (alternate) | 50 Ohm |
| Input Coupling | AC,DC,GND |
| Maximum Input Voltage | 400 Vrms |
| Main time base - lowest | 500 ps/div |
| Main time base - highest | 10 s/div |
| Timebase accuracy | 0.0025 % |
| Trigger Source | External,Internal |
| Trigger Modes | Auto,Edge,Logic,Normal,Pulse,Single |
| Minimum Trigger Holdoff | 16 ns |
| Minimum Glitch Trigger | 1 ns |
| Display Type | Color LCD |
| Display Size | 17.78 cm |
| Display modes | Dot,Vector |
| Display Update Rate | 180000 wv/sec |
