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 Stock No. 395-0453
Mfr. Part No.J01006A0837
HK$213.05
Each
units
BNC Plug to BNC Socket 20dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS Stock No. 195-2996
Mfr. Part No.J01006A0835
HK$204.37
Each
units
BNC Plug to BNC Socket 6dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS Stock No. 195-3012
Mfr. Part No.J01006A0836
HK$186.68
Each
units
BNC Plug to BNC Socket 10dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS Stock No. 195-2980
Mfr. Part No.J01006A0834
HK$215.45
Each
units
BNC Plug to BNC Socket 3dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS Stock No. 712-3103
Mfr. Part No.J01026A0007
HK$809.79
Each
units
N Plug to N Socket 10dB - 50Ω 1GHz - - - - - N - -
RS Stock No. 712-2942
Mfr. Part No.J01006A0024
HK$825.19
Each
units
BNC Plug to BNC Socket 10dB - 50 Ω, 75 Ω 6GHz - - - - - BNC - -
RS Stock No. 712-3125
Mfr. Part No.J01026A0019
HK$1,090.00
Each
units
N Plug to N Socket 6dB - 50Ω 10GHz - - - - - N - -
RS Stock No. 712-3006
Mfr. Part No.J01016A0005
HK$572.26
Each
units
TNC Plug to TNC Socket 6dB - 50 Ω, 75 Ω 10GHz - - - - - TNC - -
RS Stock No. 712-3138
Mfr. Part No.J01026A0021
HK$1,072.25
Each
units
N Plug to N Socket 20dB - 50Ω 10GHz - - - - - N - -
RS Stock No. 712-3107
Mfr. Part No.J01026A0008
HK$770.00
Each
units
N Plug to N Socket 14dB - 50Ω 1GHz - - - - - N - -
RS Stock No. 712-3321
Mfr. Part No.J01156A0021
HK$791.23
Each
units
SMA Plug to Socket 6dB - 50Ω 10GHz - - - - - SMA - -
RS Stock No. 712-2930
Mfr. Part No.J01006A0022
HK$698.66
Each
units
BNC Plug to BNC Socket 3dB - 50Ω 6GHz - - - - - BNC - -
RS Stock No. 712-2946
Mfr. Part No.J01006A0025
HK$568.69
Each
units
BNC Plug to BNC Socket 20dB - 50Ω 6GHz - - - - - BNC - -
RS Stock No. 712-3018
Mfr. Part No.J01016A0007
HK$514.05
Each
units
TNC Plug to TNC Socket 20dB - 50 Ω, 75 Ω 10GHz - - - - - TNC - -
RS Stock No. 712-2949
Mfr. Part No.J01006A0023
HK$1,032.70
Each
units
BNC Plug to BNC Socket 6dB - 50Ω 6GHz - - - - - BNC - -
RS Stock No. 712-3116
Mfr. Part No.J01026A0009
HK$635.13
Each
units
N Plug to N Socket 20dB - 50Ω 1GHz - - - - - N - -
RS Stock No. 712-3122
Mfr. Part No.J01026A0018
HK$1,090.79
Each
units
N Plug to N Socket 3dB - 50Ω 10GHz - - - - - N - -
RS Stock No. 712-3327
Mfr. Part No.J01156A0011
HK$790.00
Each
units
SMA Plug to Socket 3dB - 50Ω 10GHz - - - - - SMA - -
RS Stock No. 712-3100
Mfr. Part No.J01026A0006
HK$751.70
Each
units
N Plug to N Socket 3dB - 50Ω 1GHz - - - - - N - -
RS Stock No. 712-3015
Mfr. Part No.J01016A0006
HK$572.26
Each
units
TNC Plug to TNC Socket 10dB - 50 Ω, 75 Ω 10GHz - - - - - TNC - -