RF Terminations Specifications

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Terminator Type:

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RF Connector Type:

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Mounting / Form Factor:

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Frequency Range:

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Power Rating:

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VSWR:

:1
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Return Loss:

dB
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Resistance:

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Standards and Certifications:

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General Specifications
   Terminator Type       
   Your choices are...         
   Coaxial Terminator       Coaxial terminators are devices that terminate coaxial ports. 
   Waveguide Terminator       Waveguide terminators are devices that terminate waveguide ports. 
   Chip Terminator       Chip terminators have a form factor of an integrated circuit (IC) chip. Typically, they are manufactured using thin-film technology. 
   Other       Other, unlisted or proprietary terminators. 
   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.
   RF Connector Type       
   Your choices are...         
   BMA       BMA connectors feature a push-on interface and a threadless outer ground connection. They can withstand both radial and axial misalignment. 
   BMMA       BMMA connectors are miniature BMA connectors. 
   BNC       Bayonet Neil-Concelman (BNC) connectors were designed for military applications, but are used widely in video and RF applications to 2 GHz. BNC connectors have a slotted outer conductor and a plastic dielectric that causes increasing losses at higher frequencies. BNC connectors are usable above 4 GHz as long as the slots radiate signals; however, these devices may not be mechanically stable to 10 GHz. Both 50-ohm and 75-ohm BNC connectors are available. BNC connectors are also known as bayonet navy connectors or baby Neil connectors. 
   Type C       Type C connectors are medium-size, weatherproof devices with a two-stud bayonet coupling. They provide constant 50-ohm impedance and may be used with 75-ohm cable below 300 MHz. 
   Type F       Type F connectors have a screw-type coupling and frequency range up to 1.5 GHz. Applications include CATV, TV, and antennas. 
   FME       FME connectors are used in mobile antenna applications. With adapters, they can also be used in place of UHF, Mini-UHF, TNC, BNC, and Type N connectors. 
   Type G       Type G connectors are 75-ohm impedance devices with snap-on coupling. They are well-suited for CATV applications. 
   MCX       Miniature coaxial (MCX) connectors provide broadband capability through 6 GHz and are used in applications where weight and physical space are limited. They provide good electrical performance and are used to address the rapid implementation of the U.S. digital cellular PCN infrastructure. MCX connectors are also used in global positioning systems (GPS) and wireless LAN (WLAN) applications. 
   MHV       MHV connectors are compact, high-voltage devices with 50-ohm impedance and a two-stud bayonet coupling. MHV connectors are similar in size to, but not interchangeable with, BNC connectors. 
   MMCX       Micro-miniature coaxial (MMCX) connectors are smaller than MCX connectors and feature a more robust interface for greater durability. They are ideal for high volume, wireless SMT or PCMCIA applications in cellular base stations, cellular phones and personal communicators. MMCX connectors are also used in global positioning systems and wireless LAN (WLAN) applications. 
   Type N       Type N connectors include an integrated gasket to protect against environmental ingress and create an air gap between the center and the outer conductor. They primarily have 50-ohm impedance, but 75-ohm versions for CATV, are available. 
   QMA       QMA connectors are quick-disconnecting devices that have the same internal construction as SMA connectors. 
   QWS       Quarter-wave stub (QWS) or Type Q connectors are coaxial devices with 50-ohm impedance. They are suitable for high frequency applications where characteristic impedance must be maintained. 
   SC       Subscription channel (SC) connectors are coaxial, medium-size devices with constant 50-ohm impedance and a frequency range of 0 - 11 GHz. They are larger than BNC connectors, but about the same size as Type N devices. 
   SMA       Subminiature-A (SMA) connectors are intended for use on semi-rigid cables in components. They directly interface the cable dielectric without air gaps. They are not intended for permanent connections. 
   SMB       Subminiature-N (SMB) connectors are snap-mount connectors that are available either in 50-ohm or 75-ohm impedances. They are used for frequencies from DC to 4GHz. 
   SMC       Subminiature C (SMC) connectors are 50-ohm or 75-ohm devices with a frequency range of 7 - 10 GHz. They are smaller than SMA connectors, but can accept flexible cables with diameters as large as 3.17 mm or 0.125". 
   SSMA       Sub-SMA (SSMA) are miniaturized SMA connectors that are 30% smaller than standard SMA connectors. 
   SSMB       Sub-SMB (SSMB) are miniaturized SMB connectors that are 30% smaller than standard SMB connectors. 
   SMP       Subminiature P (SMP) connectors are rated to 40 GHz and, depending on detent type, can withstand from 100 to 1,000 interconnect cycles. 
   TNC       Threaded Neil-Concelman (TNC) connectors are similar in size to BNC connectors but feature a threaded coupling nut for applications that require performance to 11 GHz. TNC connectors are durable, reliable devices that are widely used in the cellular and mobile communication industry for equipment cabling and antenna interfaces. 
   Triax       Triax connectors are used with triaxial cables where maximum RF shielding and minimum noise radiation is required. 
   Twinax       Twinax connectors are used with twinaxial cables for balanced low level and high sensitivity circuits. Twinax connectors feature polarized key and keyway construction as well as threaded coupling. 
   UHF / PL259       Ultra-high frequency (UHF) connectors are economical, all-purpose connectors designed with non-constant impedance for use in comparatively low voltage and low frequency applications such as citizens' band (CB) communications systems. UHF connectors are also used in public address systems, closed circuit television (CCTV), civil defense, landing systems, ground control apparatus, ship-to-shore communications, and mobile radio equipment hookups between antenna and transmitters or receivers. PL259 is a screw-on video connector that has been largely replaced by BNC devices. 
   Mini-UHF       Mini-UHF connectors are a miniature version of the original UHF connector. They feature a threaded coupling mechanism for reliable mating. Mini-UHF connectors are designed for use in cellular mobile telephone systems where size, weight and cost are critical. With crimp cable termination for low installation costs, these connectors provide excellent RF performance in applications through 2.5 GHz. 
   ZMA       ZMA connectors are electrically equivalent to SMA connectors. 
   1.6 / 5.6       1.6/5.6 connectors are mechanically sturdy devices that feature a coupling mechanism. They are often used with equipment that requires resistance against environmental and mechanical stress. 1.6/5.6 connectors are also suitable for handling RF analog and digital signals in telecommunications systems. 
   7-16       7-16 connectors are designed for use in medium to high power communication systems. These connectors perform exceptionally well in multi-channel cellular systems where power levels approximate 100 watts per channel. Designed for both flexible as well as corrugated cables, these connectors are used in a variety of cellular base station and broadcast communication applications. 
   1.0 / 2.3       1.0/2.3 coaxial connectors are designed for telecommunications systems that require sub-miniature 50-ohm slide-on or screw-on connectors 
   1.85 mm       1.85 mm connectors are metric devices that derive their name from the length of the inside diameter of their outer conductor. They are used for frequencies from DC to 65 GHz. 
   2.4 mm       2.4 mm connectors are metric devices that derive their name from the length of the inside diameter of their outer conductor. They are used for frequencies from DC to 65 GHz. 
   2.92 mm       2.92 mm connectors are metric devices that derive their name from the inside diameter of their outer conductor. They mate with SMA and 3.5 mm connectors and provide mode-free performance to 40 GHz. 
   3.5 mm       3.5 mm connectors are metric devices that derive their name from the inside diameter of their outer conductor. They are rated for frequencies up to 34 GHz. 
   7 mm       7 mm connectors are metric devices that derive their name from the inside diameter of their outer conductor. Compared to other 18 GHz connectors, 7 mm devices provide the lowest reflection coefficient and the most repeatable measurements. 7 mm connectors are also known as ACP-7, an acronym for Amphenol precision connector, 7 mm. 
   Other       Other unlisted, specialized, or proprietary connector. 
   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.
   Mounting / Form Factor       
   Your choices are...         
   Flanged       Terminators are flange-mounted. 
   Board-level Unit       Board-level units are computer boards that are designed to be inserted in a carrier. 
   Leaded       Terminators are mounted via one lead. 
   Panel Mount       Panel-mounted devices have a threaded bushing which surrounds the shaft. 
   Screw Terminals       Terminals are designed for screw mounting on a circuit board. 
   Surface Mount (SMT / SMD)       Surface-mount technology (SMT) adds components to a printed circuit board (PCB) by soldering component leads or terminals to the top surface of the board. SMT devices (SMD) have a flat surface that is soldered to a flat pad on the face of the PCB. Typically, the PCB pad is coated with a paste-like formulation of solder and flux. With careful placement, SMT components on solder paste remain in position until elevated temperatures, usually from an infrared oven, melt the paste and solder the component leads to the PCB pads. 
   Stand-alone Unit       Stand-alone units are independent units connected to a system. 
   Through Hole       Through-hole technology (THT) mounts components on a printed circuit board (PCB) by inserting component leads through holes in the board and then soldering the leads in place on the opposite side of the board. 
   Other       Other, unlisted mounting 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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Terminator Performance
   Frequency Range       The range of frequencies through which devices are designed to operate. 
   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.
   Power Rating       The maximum input rated power of the terminator. 
   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.
   VSWR       In a system, impedance mismatches cause some of the transmitted energy to be reflected back to its source. The frequency of the signal determines the amount of energy that is reflected. Voltage standing wave ratio (VSWR), a unitless ratio ranging from 1 to infinity, expresses the amount of reflected energy at the input of the device. A value of 1 indicates that all the energy passes through. Any other value indicates that a portion of the energy is reflected. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Return Loss       Return loss is a measure of the match between the impedance of the adapter or terminator and the impedance of the system. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Resistance       
   Your choices are...         
   50 Ω       The terminator's resistance is 50 ohms. 
   75 Ω       The terminator's resistance is 75 ohms. 
   Other       Other, unlisted resistance. 
   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.
   Tables:         
   VSWR vs. Return Loss     

VSWR

Return Loss (dB)

Reflected Power (%)

VSWR

Return Loss (dB)

Reflected Power (%)

1.00

Infinity

0.000

1.38

15.9

2.55

1.01

46.1

0.005

1.39

15.7

2.67

1.02

40.1

0.010

1.40

15.55

2.78

1.03

36.6

0.022

1.41

15.38

2.90

1.04

34.1

0.040

1.42

15.2

3.03

1.05

32.3

0.060

1.43

15.03

3.14

1.06

30.7

0.082

1.44

14.88

3.28

1.07

29.4

0.116

1.45

14.7

3.38

1.08

28.3

0.144

1.46

14.6

3.50

1.09

27.3

0.184

1.47

14.45

3.62

1.10

26.4

0.228

1.48

14.3

3.74

1.11

25.6

0.276

1.49

14.16

3.87

1.12

24.9

0.324

1.50

14.0

4.00

1.13

24.3

0.375

1.55

13.3

4.8

1.14

23.7

0.426

1.60

12.6

5.5

1.15

23.1

0.488

1.65

12.2

6.2

1.16

22.6

0.550

1.70

11.7

6.8

1.17

22.1

0.615

1.75

11.3

7.4

1.18

21.6

0.682

1.80

10.9

8.2

1.19

21.2

0.750

1.85

10.5

8.9

1.20

20.8

0.816

1.90

10.2

9.6

1.21

20.4

0.90

1.95

 9.8

10.2

1.22

20.1

0.98

2.00

 9.5

11.0

1.23

19.7

1.08

2.10

 9.0

12.4

1.24

19.4

1.15

2.20

 8.6

13.8

1.25

19.1

1.23

2.30

 8.2

15.3

1.26

18.8

1.34

2.40

 7.7

16.6

1.27

18.5

1.43

2.50

 7.3

18.0

1.28

18.2

1.52

2.60

 7.0

19.5

1.29

17.9

1.62

2.70

 6.7

20.8

1.30

17.68

1.71

2.80

 6.5

22.3

1.31

17.4

1.81

2.90

 6.2

23.7

1.32

17.2

1.91

3.00

 6.0

24.9

1.33

17.0

2.02

3.50

 5.1

31.0

1.34

16.8

2.13

4.00

 4.4

36.0

1.35

16.53

2.23

4.50

 3.9

40.6

1.36

16.3

2.33

5.00

 3.5

44.4

1.37

16.1

2.44

6.00

 2.9

50.8
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Features / Standards
   Features       
   Your choices are...         
   LED Indicators       Devices use light emitting diodes (LEDs) to indicate conditions such as "power" or "busy". 
   Heatsink       The terminator is mounted on a heatsink. 
   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.
   Standards and Certifications       
   Your choices are...         
   RoHS Compliant       Restriction of Hazardous Substances (RoHS) is a European Union (EU) directive that requires all manufacturers of electronic and electrical equipment sold in Europe to demonstrate that their products contain only minimal levels of the following hazardous substances: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyl and polybrominated diphenyl ether. RoHS will become effective on July 1, 2006. 
   ELV Directive       End-of-Life Vehicles (ELV) is a European Union (EU) directive that requires manufacturers of automotive products sold in Europe to demonstrate that their products contain only minimal levels of mercury, cadmium and lead. Lead can still be used as an alloying additive in copper, steel and aluminum. 
   WEEE Compliant       Waste Electrical and Electronics Equipment (WEEE) is a European Union (EU) directive designed to encourage the reuse, recycling and recovery of electrical and electronic equipment. WEEE is also designed to improve the environmental impact and performance of this equipment. The WEEE directive establishes requirements and criteria for the collection, treatment, recycling and recovery of electrical and electronic equipment. It also makes producers responsible for financing these activities. Retailers and distributors must provide a way for consumers to return used or obsolete equipment without charge. 
   CE / FCC Certified?       The unit conforms with the American requirements of the Federal Communication Commission (FCC) and with the European CE Marking (Conformite Europeene or European Conformity) system, which is helpful for exports to the countries of the European Economic Area (EEA). 
   CSA       Products that bear a CSA Mark have been tested by the Canadian Standards Association (CSA) and meet applicable standards for safety and/or performance. These standards are written and administered by organizations such as the American National Standards Institute (ANSI), Underwriters Laboratories (UL), and CSA International. CSA Marks may appear alone or with indicators. CSA Marks that appear alone are used with products certified primarily for the Canadian market, to the applicable Canadian standards. CSA Marks that appear with the indicators “C” and “US” or “NRTL/C” are used with products certified for both the U.S. and Canadian markets, to the applicable U.S. and Canadian standards. 
   IEC       The International Electrotechnical Commission (IEC) is a global, non-profit organization that develops and maintains voluntary quality, safety, and performance standards for electrical materials, products, and systems The IEC also publishes standards for the electronics and telecommunications industries. The IEC’s membership consists of the electrotechnical standards organizations from each of its 51 member nations. The American National Standards Institute (ANSI) represents the United States. 
   UL       Underwriters Laboratories (UL) is a non-profit organization that tests components, systems, and materials according to its published standards for safety. Products that receive UL approval bear a UL Mark. 
   Other       Other unlisted standards. 
   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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