Attenuators

ATTENUATORS PRODUCTS

Wireless Network Surveillance System Wireless Network Surveillance System

The new wireless network surveillance system from Corry Micronics comprises the RFMS-2x8*8 8 Channel Matrix with a Probe Port and two CMIATT-4CH-200W 100 W Attenuator banks. It is capable of a range of configurations ranging from one port to over 48 ports. The 8-channel RF matrix switch is designed with a probe/test port where the signal analysis occurs. The 8-channel switch is bi-directional enabling testing in both directions. System frequencies can be customized to the end user’s specifications.

75 Ohm Programmable Attenuator: Model 75P-217 75 Ohm Programmable Attenuator: Model 75P-217

JFW’s Model 75P-217 is a solid-state programmable attenuator system featuring an attenuation range of 0 to 95 dB by 1 dB increments and a 5 to 2150 MHz frequency range. With 75 Ohm BNC, F or N female RF connectors, the attenuator has seven individually controlled attenuation steps:  1 dB, 2 dB, 4 dB, 8 dB, 16 dB, 32 dB and 32 dB.

70 dB W-Band Direct Reading Attenuator: STA-60-10-D8 70 dB W-Band Direct Reading Attenuator: STA-60-10-D8

The STA-60-10-D8 from SAGE Millimeter is a high-precision rotary vane attenuator designed for millimeter wave test set applications across the W-band frequency range (75 – 110 GHz). With a large scale calibrated dial indicating direct values of attenuation, this instrument is ideal in waveguide systems where a broad direct reading of attenuation is required.

0.1 To 40 GHz Digital Attenuators: 4209 Series 0.1 To 40 GHz Digital Attenuators: 4209 Series

RFMW, Ltd. introduces the API Weinschel 4209 series of digital attenuators interfaced with popular, high frequency test equipment. The 4209-31.5-1 is equipped with 2.92 mm Female connectors while the 4209-31.5-2 offers 2.4 mm Female connectors. Both the 4209-31.5-1 and 4209-31.5-2 provide 31.5 dB of attenuation range in 0.5 dB steps and operate from 100 MHz to 40 GHz.

High IIP3 10 MHz To 1.5 GHz Voltage-Controlled Variable Attenuator: SKY12239-11 High IIP3 10 MHz To 1.5 GHz Voltage-Controlled Variable Attenuator: SKY12239-11

The new SKY12239-11 is a voltage-controlled variable attenuator from Skyworks’ series of broadband, flat attenuation, high third order intercept point (IIP3) components. With operation over the 10 MHz to 1.5 GHz frequencies, this device is ideal for use as a wide dynamic range, low distortion attenuator in many applications, including those with automatic power leveling/gain control circuits in cellular base stations and point-to-point radio IF chains, and general wireless systems for military communications.

100 Watt Fixed Attenuator With Narrow 2.25″ Diameter: 50FHLB-XXX-100 100 Watt Fixed Attenuator With Narrow 2.25″ Diameter: 50FHLB-XXX-100

JFW offers the 50FHLB-XXX-100 100 Watt fixed attenuator with 50 Ohm impedance for engineers with restricted dimensions in a rack mount RF system. The heatsink is only 2.25 inches in diameter and 9.08 inches in length for engineers with restricted dimension in a rack mount RF system.

75 Ohm Attenuator Assembly For DOCSIS And CATV Automated RF Testing: Model 75PA-113-XX 75 Ohm Attenuator Assembly For DOCSIS And CATV Automated RF Testing: Model 75PA-113-XX

JFW’s Model 75PA-113-XX is a 19-inch rack mount attenuator system with 1 to 16 75 Ohm solid-state step attenuators. Featuring an attenuation range of 0 to 95 dB by 1 dB increments and 75 Ohms nominal impedance, the system is perfect for DOCSIS and CATV automated RF testing applications in the 5 - 150 MHz range.

Mini Benchtop Programmable Attenuator Assembly Mini Benchtop Programmable Attenuator Assembly

JFW’s 50BA-024-62 is a mini benchtop programmable attenuator assembly designed for mm-wave testing. It is configured with one solid-state programmable attenuator, and it features an attenuation range of 0 to 62 dB in 1 dB increments and 50 Ohms nominal impedance.

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Attenuators

Attenuators are the exact opposite of an amplifier. It is used to reduce the intensity of either electricity or sound. For example the digital impulse that is used to drive a speaker may be stepped down to prevent the lower range speakers from failing. An equalizer in music is a form of amplifier and attenuator rolled up into one. It however targets on particular frequency. Every instrument in a musical symphony and even the human voice occupy a certain frequency range. Each not of a violin for example has a very specific frequency. The A string on a violin is exactly 440Hz. Using an attenuator, one can target the exact frequency of 440Hz and reduce its intensity. It can even be attenuated all the way down to zero. If this were to happen then every time an A not of a violin was played, it would not be heard.

This sort of technology is used to clean up sounds of recordings and other sounds in a recording. It is even possible to pin point the frequency range of the human voice then use an attenuator to reduce it to zero. Imagine if one were to take a recording of a song and attenuate just the vocal portion, the song will now resemble a minus one track.

Attenuators have other more sophisticated commercial uses. The can be used to reduce the electrical impulses that were amplified to travel long distances and may still carry strong energy when it arrives, so it needs to be attenuated before it is channeled for processing.