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Device Type:

Form Factor:

Generator Type:

Maximum Input Channels:

Minimum Frequency Range:

Maximum Frequency Range:

Frequency Resolution:

bits

Frequency Accuracy:

(+/-) dB

Switching Speed:

Amplitude:

dBm

On-board Reference?

On-board Oscillator?

Reverse Power Protection?

Battery Powered?

Reference Device?

User Interface:

RAM / On-board Memory:

Data Storage:

Floppy Disk?

CD Drive?

Tape Drive / Backup?

Interface:

Display Options:

Operating Temperature:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Operating Humidity:

%
Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Help with Signal Generators specifications:

Instrument Type
   Device Type       
   Your choices are...         
   Generator       Generators are used to test and align transmitters and receivers. They are also used to measure frequency, and are tunable within certain frequency bands. 
   Source       Sources are used to provide known good signals in order to test transmitters and receivers 
   Other       Other unlisted device types. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Form Factor       
   Your choices are...         
   Portable / Benchtop       Portable or benchtop devices can be moved with relative ease for a variety of uses. They include a case or handle, but are not necessarily hand-operated. 
   Fixed/Rack mount       Fixed devices are kept in one location and are meant to be used in one place.  
   Printed Circuit Card       Devices are printed circuit boards (PCBs) that attach to enclosures or plug directly into computer backplanes. 
   Coaxial       Coaxial devices are connectorized for transmission lines that carry high-frequency signals. 
   Waveguide Component       Waveguide components are circular, elliptical, or rectangular metal tubes or pipes through which electromagnetic waves are propagated in microwave and radio frequency (RF) communications. 
   Other       Other unlisted form factors. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Generator Type
   Generator Type:       
   Your choices are...         
   Continuous Wave (CW)       Continuous wave (CW) generators produce sine waves. In most CW sources, the frequency and amplitude of the sine wave can be set. 
   Function       Function generators create square waves by applying a bipolar sine wave to a comparator’s input. 
   Noise       Noise generators and noise sources produce random noise output for testing RF equipment, integration into RF or microwave devices, and for use as calibration standards.  Specific noise source or generator applications include:
  • Built-in test for RF receivers
  • Eb/No vs. BER testing (modems or digital receivers)
  • Encryption
  • Dithering circuits
  • Jamming or jamming simulation
  • Baseband signal simulation
  • Calibration source or standard
 
   Pulse       A pulse is a short burst of signal(s) generated by an instrument. 
   Signal       Signal generators output signals, or sine waves, that carry information. There are numerous methods for adding information to sine waves. Basic signal generators have frequency, amplitude and phase modulation capabilities. More advanced signal generators have pulse and IQ modulation capabilities. 
   Sweep       Swept sources add the ability to automatically vary the output frequency or amplitude of sine waves over a range of frequencies or amplitudes in a controlled manner. 
   Multiple Outputs       Multiple output signal and waveform generators have two or more outputs. 
   Synchronized Multiple Outputs       Synchronized multiple output signal and waveform generators have two or more outputs whose relative phase can be controlled. 
   Other       Other unlisted generator types. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Signal Characteristics
   Maximum Input Channels       Maximum number of all analog input channels, general and specific types. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Minimum Frequency Range       The minimum frequency range is the range of output frequencies that a generator can produce. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Maximum Frequency Range       The maximum frequency range is the range of output frequencies that a generator can produce. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Frequency Resolution       Frequency resolution is the smallest frequency increment the generator can produce. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Frequency Accuracy       Frequency accuracy is a measure of how accurately the source frequency can be set. A generator's internal clock determines the frequency accuracy. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Switching Speed       Switching speed is a measure of how fast the generator can change from one amplitude level to another. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Amplitude       Specifies the range of output amplitude the device can produce. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Operation Features
   On-board Reference?       An on-board reference is a source of information, usually a clock, which supplies timing information. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   On-board Oscillator?       An oscillator creates the basic electrical fluctuation (AC) that is used to create the waveforms. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Reverse Power Protection?       Reverse power protection prevents signals traveling the wrong direction from damaging the source. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Battery Powered?       Battery powered devices use batteries for full operation, not just backup 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Reference Device?       Device is used to calibrate other devices. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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User Interface
   User Interface       
   Your choices are...         
   None       The device does not provide user input or programmability. This "black box" storage style is designed for downloading or processing information elsewhere. 
   Manual Controls       Manual controls are located on the device's housing. 
   CPU Controlled / Computer Programmable       A central processing unit (CPU) or microprocessor controls the device. The microprocessor can be either an embedded processor or an external controller. The device may also be controlled by or directly interfaced to a personal computer (PC) or workstation. Generally, this is done for programmability and datalogging.   
   Front Panel and Display       Integral controls, keypad, and/or display on the panel of the unit. 
   Touch Screen       The device's visual display screen is contact sensitive to allow direct input. 
   Hand-held / Remote Programmer       Interface unit specifically meant to hold in hand while entering program parameter. These devices may include remote programming. 
   Other User Interfaces       Other unlisted user interface method. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Memory and Storage
   RAM / On-board Memory:       Random access memory has the capacity of memory to control software or function / program loading. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Data Storage:       Capacity for data storage, typically with a hard drive. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Floppy Disk?       5¼" floppy or 3½"diskette. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   CD Drive?       Compact disc drives for loading programs or data storage. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Tape Drive / Backup?       Tape drive for data storage or backup. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Interface
   Interface       
   Your choices are...         
   IEEE 1394 (FireWire®)       A companion to USB, IEEE 1394 is a very high-speed serial bus (400 Megabit - 1 Gigabit). It was designed to replace all external high-speed peripheral connections to personal computers, including hard disks, CD-ROM's, DVD's, graphics cards, high-speed scanners, direct video, monitors, etc. FireWire® is a registered trademark of Apple Computer, Inc. 
   General Serial Interface       Serial interface between data terminal equipment and data communications equipment employing serial binary data interchange. Includes RS232, RS422 and RS485. 
   CompactPCI       CompactPCI is a high performance industrial bus that uses the electrical standards of the PCI bus packaged in a Eurocard. The specifications of the CompactPCI bus were developed and maintained by the PCI Industrial Computers Manufacturers Group (PICMG). It is used extensively in systems that require high speed transfer of data, such as data communication routers and switches, real-time machine control, real-time data acquisition, military systems, etc. 
   Ethernet       Ethernet is a local-area network (LAN) protocol developed by Xerox Corporation in cooperation with DEC and Intel in 1976. Ethernet uses a bus or star topology and supports data transfer rates of 10 Mbps. The Ethernet specification served as the basis for the IEEE 802.3 standard, which specifies the physical and lower software layers. Ethernet uses the CSMA/CD access method to handle simultaneous demands. It is one of the most widely implemented LAN standards. 
   GPIB (IEEE 488, HPIB)       General purpose interface bus (GPIB) is designed to connect computers, peripherals and laboratory instruments so that data and control information can pass between them. It is also known as IEEE 488 or HPIB, and is electrically equivalent to IEC 625 bus. 
   PCI       Peripheral component interconnect (PCI) is a local bus system designed for high-end computer systems. It transfers 32 or 64 bits of data at a clock speed of 33 MHz. The PCI bus supports 3 to 5 critical peripherals, which are either integrated directly onto the motherboard or added via expansion cards. The PCI bus fully supports cards developed for standard I/O buses. 
   PCMCIA (PC Card)       PCMCIA devices (PC cards) are credit-card-sized peripherals predominantly used in laptop computers. The PCMCIA adapter takes the place of a COM port on a standard bus. The card is plugged into a 68-pin host socket that is connected either to the motherboard or an expansion bus. An adapter then translates the PCMCIA signals into signals usable by the computer's bus. 
   PXI Bus       PCI eXtensions for Instrumentation (PXI) is a superset of CompactPCI adds timing and triggering functions, imposes requirements for documenting environmental tests, and establishes a standard Windows-based software framework. 
   PMC Bus       The PMC bus is actually a form factor, not a bus -- it is electrically the same as the PCI bus, but the shape of the card and the bus connectors are different. Designed for rugged implementations, the PMC form factor provides a secure mounting platform for PMC VME mezzanine boards. 
   SCSI       Small computer system interface (SCSI) is a parallel interface standard used by Apple Macintosh computers, PCs, and many UNIX systems for attaching peripheral devices to computers. 
   USB       Universal serial bus (USB) is a 12 megabit serial bus designed to replace low-to-medium speed peripheral device connections to personal computers, including keyboards, mice, modems, printers, joysticks, audio functions, monitor controls, etc. 
   VME Bus       VersaModule Eurocard (VME) is a 32-bit bus used in industrial, commercial and military applications. VME64 is an expanded version that provides 64-bit data transfer and addressing. 
   VXI / MXI Bus       VME eXtensions for Instrumentation (WMI) were developed by Motorola, with others, in the late 1970s. A standard for many electronic platforms, it defines electrical and mechanical backplane characteristics. 
   Other Interface       Other unlisted, specialized or proprietary configuration. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Display Options
   Display Options:       
   Your choices are...         
   Analog Meter       Data is displayed with an analog meter or simple visual indicator. 
   Digital Readout       Device uses numerical or application specific display. 
   Video Display       The data is presented in video form via CRT, LCD, or other multi-line forms. 
   None       No integral display. Output is read and displayed remotely. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Environment
   Operating Temperature:       This is the full-required range of ambient operating temperature. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Operating Humidity:       This is the full-required range of ambient operating humidity. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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