FAQ INDEX

Click on one of the frequently asked questions listed below to go directly to its answer.
Or use these FAQ links to browse all the answers in your category of interest:
General, Data Acquisition, GPS, Amplifier, Mini ITX & PC104, DSP

General Questions

How much does it cost ?

How do I order ?

Can I purchase it on my credit card ?

What is your address, phone, fax, etc ?

Can you send me complete specs ?

Do you have any Application Notes ?

Do your products have any digital input/output capabilities ?

How do I get a copy of the circuit diagrams ?

What Operating Systems do you support (Linux, NT, etc) ?

Do you include source code with your software ?

What compilers can I use with your software ?

What is a DLL ?

What is a device driver ?

Data Acquisition Questions

What do abbreviations like DAQ, DAS, A/D, ADC, D/A, DAC mean ?

What is the difference between instrument and audio grade A/D converters ?

Why is memory buffering important for A/D systems ?

How do oversampling and signal averaging affect resolution ?

What factors affect the maximum achievable sampling rate on the PARxCH ?

Why does sigma delta A/D resolution vary with sampling rate ?

How much crosstalk is there between channels on your A/D products ?

What is analog multiplexing ?

What does aggregate sampling rate mean for a multiplexed system ?

What is an active sensor ? What is a passive sensor ?

What are the analog input ranges of SR A/D products ?

What are the overvoltage protection ranges of SR A/D products ?

What is the impedance of your analog inputs ?

What are differential inputs ?

My sensor only has two pins, what do I do for differential AGND ?

What are balanced differential inputs ?

What is the input sensitivity of your PARxCH products ?

How do I calibrate the A/D converters ?

What length parallel port cable can I use with the PARxCH and PAR24B ?

What length ribbon cable can I use between the DSPA64 and DSPHLF ?

Do your A/D products have any digital input/output capabilities ?

Do your A/D products work with European 220 vac power sources ?

Do your A/D products work with Win2K/XP or Linux ?

Do your A/D products work with National Instruments LabVIEW ?

What is the format of your data files ?

What is the format of OUT files ?

What is the format of DAT files ?

Do you have a view and playback program ?

What do abbreviations like GPS, PPS, NMEA mean ?

What NMEA messages are available and what is their format ?

Can I use the PARGPS by itself to get time without the PARxCH ?

How does the PARGPS connect to the PARxCH A/D ?

How does your GPS time stamping work ?

What is the typical PARGPS time accuracy ?

How can I set the PC time ?

Can I use the PARGPS with Win95/98/ME ?

Can I use the PARGPS in my basement ?

Amplifier Questions

Why would I need an amplifier with a 24 bit A/D converter ?

How does an amplifier affect the noise level of acquired data ?

What type of analog input cable is best for the AMP4CH-DF ?

Mini ITX & PC104 Questions

What are Mini ITX and PC104 ?

Does SR supply Mini ITX and PC104 turnkey systems ?

What skills are required to setup a Mini ITX or PC104 system ?

Do you sell any PC104 related products ?

Where can I buy other Mini ITX or PC104 products ?

What features should I look for when buying Mini ITX or PC104 products ?

Can I use a 2.5" hard disk in my Mini ITX or PC104 system ?

How much power does it take to run a Mini ITX or PC104 system ?

Can I run scope.exe on a headless system ?

Digital Signal Processing Questions

Why are floating point DSPs easier to use than fixed point ?

What are algebraic assembler mnemonics ?

Do your DSP products have any digital input/output capabilities ?

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