The TDS3000B oscilloscopes are the lowest priced, most portable Digital Phosphor Oscilloscopes (DPOs). Now every design engineer and technician can take advantage of the tremendous benefits of DPOs. DPOs deliver a new level of insight that makes dealing with complex signals simple. DPOs display, store and analyze in real-time three dimensions of signal information: amplitude, time and distribution of amplitude over time. Features 500 MHz, 300 MHz and 100 MHz Bandwidths Sample Rates up to 5 GS/s 2 or 4 Channels Full VGA Color LCD on all Models Built-in Floppy Disk Drive For Easy Storage and Documentation 21 Automatic Measurements Centronics Port Standard on all Models for Quick, Convenient Hardcopies 9-Bit Vertical Resolution Multi-language User Interface QuickMenu User Interface Mode for Quick, Easy Operation Advanced Triggers such as Glitch, Width and Logic Standard on 4 Channel Models Telecommunications Mask Testing (TMT) Fast Fourier Transform (FFT) for Frequency and Harmonic Analysis Standard on 4 Channel Models Extended Video Application Module Support for Active Probes, Differential Probes and Current Probes that Provide Automatic Scaling and Units