RF Attenuators

RF attenuators act as resistors and are used to reduce the level of a signal within radio frequency applications and RF circuits. They have many benefits, including protecting a circuit stage from receiving a current that's too high. RF attenuators can also improve impedance match, ensuring power transfer from source to load is optimised. 


Types of RF attenuators

RF attenuators come in three types:

  • Fixed RF attenuators provide an unchanging value where specific attenuation levels are needed.
  • Switched RF attenuators are made up of switches that allow varying levels of attenuation.
  • Variable RF attenuators are used when it's necessary to continuously change the level of a signal.

Choosing the right RF attenuators

To select the right RF attenuator a number of specifications need to be considered, such as attenuation, frequency and impedance. Attenuation is measured in decibels (dB) and depending on the type of attenuation you need this will either be fixed or within a range. RF attenuators are designed for devices with a certain impedance and it's important to match the impedance of the attenuator to the circuit where it will be used.


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Description Price Interface Type Attenuation Body Orientation Impedance Operating Frequency Body Plating Cable Type Contact Plating Contact Material Low Power Connector Type Gender A Gender B
RS庫存編號 395-0453
製造零件編號J01006A0837
HK$213.05
單位
BNC Plug to BNC Socket 20dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS庫存編號 195-2996
製造零件編號J01006A0835
HK$204.37
單位
BNC Plug to BNC Socket 6dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS庫存編號 285-9602
製造零件編號R411810121
BrandRadiall
HK$441.51
單位
SMA Plug to Socket 10 dB Straight 50Ω DC to 18GHz Nickel Coaxial Gold Beryllium Copper - SMA Male Female
RS庫存編號 716-5084
製造零件編號6610_SMA-50-2/199_NE
HK$640.46
單位
SMA Plug to Socket 10dB - 50Ω DC to 6GHz - - - - Yes SMA - -
RS庫存編號 285-9595
製造零件編號R411806121
BrandRadiall
HK$691.22
單位
SMA Plug to Socket 0.8 dB, 6 dB - 50Ω DC → 18GHz - - - - - SMA - -
RS庫存編號 195-3012
製造零件編號J01006A0836
HK$186.68
單位
BNC Plug to BNC Socket 10dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS庫存編號 285-9680
製造零件編號R412706124
BrandRadiall
HK$384.29
單位
N Plug to N Socket 6dB Straight 50Ω 6GHz - - Gold over Nickel Beryllium Copper, Brass - N Female Male
RS庫存編號 285-9551
製造零件編號R411810124
BrandRadiall
HK$293.27
單位
SMA Plug to Socket 10dB Straight 50Ω 6GHz - - Nickel Brass - SMA Male Socket
RS庫存編號 885-8416
製造零件編號27-9300-20
HK$62.76
單位
BNC Plug to BNC Socket 20dB Straight 50Ω 0 → 2GHz Nickel - Gold Brass - BNC Plug Socket
RS庫存編號 716-5090
製造零件編號6630_SMA-50-2/199_NE
HK$531.36
單位
SMA Plug to Socket 30dB - 50Ω DC to 6GHz - - - - Yes SMA - -
RS庫存編號 494-834
製造零件編號6806.19.A
HK$1,029.60
單位
SMA Plug to Socket 6dB - 50Ω DC → 18GHz - - - - Yes - - -
RS庫存編號 285-9567
製造零件編號R411820124
BrandRadiall
HK$293.27
單位
SMA Plug to Socket 20dB Straight 50Ω 6GHz - - Nickel Brass - SMA Male Socket
RS庫存編號 886-3256
製造零件編號FLN3G
HK$14.532
/個 (每包:10個)
單位
F Plug to F Socket - Straight - 1GHz - - Nickel - - F Plug Socket
RS庫存編號 285-9539
製造零件編號R411803124
BrandRadiall
HK$203.99
單位
SMA Plug to Socket 3dB Straight 50Ω 3GHz - - Nickel Brass - SMA Male Socket
RS庫存編號 195-2980
製造零件編號J01006A0834
HK$215.45
單位
BNC Plug to BNC Socket 3dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS庫存編號 494-868
製造零件編號6806_N-50-1/1--_NE
HK$589.10
單位
N Plug to N Socket 6dB Straight 50Ω 6GHz - - Brass, Gold Beryllium Copper, Brass Yes N Plug Socket
RS庫存編號 712-3321
製造零件編號J01156A0021
HK$791.23
單位
SMA Plug to Socket 6dB - 50Ω 10GHz - - - - - SMA - -
RS庫存編號 716-5123
製造零件編號6830.17.A
HK$1,229.05
單位
N Plug to N Socket 1 dB, 30 dB - 50Ω 12.4GHz - - - - Yes N - -
RS庫存編號 716-5101
製造零件編號6820.17.B
HK$1,160.73
單位
N Plug to N Socket 1 dB, 20 dB - 50Ω 18GHz - - - - Yes N - -
RS庫存編號 285-9573
製造零件編號R411803121
BrandRadiall
HK$601.63
單位
SMA Plug to Socket 3dB Straight 50Ω 18GHz - - - Stainless Steel - SMA Male Socket