Frequently Asked Questions

FAQ	FAQ ID
How does MPEG-2 defines mux rate? MPEG-2 defines mux rate as the combined rate of all video and audio elementary stream packets common to one program. This rate also includes the VBI and sub-picture private stream data, which MPEG treats as a private stream type. Mux rate is always... This FAQ applies to: MTS4SA, MTS400, MTS430, MTM400, MTS4EA, MTX100B, RTX130B	835726
How does the end user benefit from USB 2.0? With the increased data bus speed, computer consumers will benefit from an additional range of high performance peripherals. Even with multiple high-speed peripherals connected to a USB2.0 bus, they will not have to worry about hitting the bandwidth...	835727
How I do I program my oscilloscope to get waveform data? There are two waveform query types, WAVFRM? And CURVE?The WAVFRM? query returns a preamble followed by a binary block. The preamble contains data that you need to properly scale the data back into volts and seconds.The CURVE? query also returns a...	835728
How is a VISA resource configured? After establishing a session, an application can communicate with a resource by invoking operations associated with the resource or by updating characteristics of resources called attributes. Some attributes depict the instantaneous state of the...	835729
How is bandwidth defined for an oscilloscope? Bandwidth determines an oscilloscope’s fundamental ability to measure a signal. As signal frequency increases, the capability of the oscilloscope to accurately display the signal decreases. This specification indicates the frequency range that the...	835730
How is bandwidth related to rise time for oscilloscopes? Historically, oscilloscope frequency response tended to approximately follow the rule: Bandwidth x risetime = 0.35. This corresponds to a 1- or 2-pole filter roll-off in the frequency domain. Today, at the high end, most real-time digital...	835731
How is binary data represented on Tektronix oscilloscopes? Binary data can be represented by integer or floating-point values. The range of the values depends on the number of bytes specified. When the byte number is one, signed integer data ranges from -128 to 127, and positive integer values range from 0...	835732
How many USB peripherals can I connect at once? Technically, you can connect up to 127 individual USBperipherals at one time. Due to the fact that some devices reserve USB bandwidth, the practical maximum of devices is less than the theoretical maximum. However, PCI-USB add-in cards provide an...	835733
How you determine the compression ratio in MPEG-2? The compression ratio is a value that indicates by what factor an image file has been reduced after compression. If a 1 MB image file is compressed to 500 KB, the compression ratio would be a factor of 2. The higher the ratio the greater the... This FAQ applies to: MTM400, MTS4SA, MTS400, MTS430, MTX100B, RTX130B	835734
I am getting the diagnostic error code D1XXX (D1111+ D1121+ D1211+ D1221) on my CSA803 or 11800-series oscilloscope. What does this mean? D1111 and D1211 indicate problems with ROM, U140. The device is either not in the socket, the socket has failed, or the checksum does not match. Error codes D1121 and D1221 indicate problems with U150. The device is either not in the socket, the... This FAQ applies to: CSA803C, 11801C, CSA803A, 11801B	835735

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