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. 716-5132
Mfr. Part No.6830.17.B
HK$1,124.79
Each
units
N Plug to N Socket 1.5 dB, 30 dB - 50Ω 18GHz - - - - Yes N - -
RS Stock No. 176-7267
Mfr. Part No.AT-110V
BrandHirose
HK$390.32
Each
units
- 10dB Straight 50Ω 18GHz - - Gold Beryllium Copper - SMA Male Female
RS Stock No. 886-0241
Mfr. Part No.6-12FFPB
HK$49.425
Each (In a Pack of 6)
units
F Plug to F Socket - Straight 75Ω - - - - - - F Plug Plug
RS Stock No. 712-2930
Mfr. Part No.J01006A0022
HK$864.29
Each
units
BNC Plug to BNC Socket 3dB - 50Ω 6GHz - - - - - BNC - -
RS Stock No. 296-8059
Mfr. Part No.R412503124
BrandRadiall
HK$494.08
Each
units
TNC Plug to TNC Socket 3dB Straight 50Ω 3GHz - - Gold Brass - TNC Female Male
RS Stock No. 712-3015
Mfr. Part No.J01016A0006
HK$814.30
Each
units
TNC Plug to TNC Socket 10dB - 50 Ω, 75 Ω 10GHz - - - - - TNC - -
RS Stock No. 716-5117
Mfr. Part No.6605_SMA-50-1/199_NE
HK$819.76
Each
units
SMA Plug to Socket 5dB - 50Ω DC to 18GHz - - - - Yes SMA - -
RS Stock No. 712-3100
Mfr. Part No.J01026A0006
HK$783.53
Each
units
N Plug to N Socket 3dB - 50Ω 1GHz - - - - - N - -
RS Stock No. 885-7517
Mfr. Part No.ATT-0218-20-NNN-02
HK$955.23
Each
units
N Plug to N Socket 20dB Straight 50Ω 12.4GHz - - - - Yes N Plug Socket
RS Stock No. 886-0560
Mfr. Part No.27-9300-10
HK$63.327
Each (In a Pack of 10)
units
BNC Plug to BNC Socket 10dB Straight 50Ω 0 → 2GHz Nickel - Gold Brass - BNC Plug Socket
RS Stock No. 494-874
Mfr. Part No.6803_N-50-1/1--_NE
HK$610.98
Each
units
N Plug to N Socket 0.3 dB, 3 dB - 50Ω DC to 6GHz - - - - Yes N - -
RS Stock No. 712-3122
Mfr. Part No.J01026A0018
HK$1,400.03
Each
units
N Plug to N Socket 3dB - 50Ω 10GHz - - - - - N - -
RS Stock No. 716-5072
Mfr. Part No.6603_SMA-50-2/199_NE
HK$668.90
Each
units
SMA Plug to Socket 3dB - 50Ω DC to 6GHz - - - - Yes SMA - -
RS Stock No. 712-3002
Mfr. Part No.J01016A0004
HK$902.05
Each
units
TNC Plug to TNC Socket 3dB - 50 Ω, 75 Ω 10GHz - - - - - TNC - -
RS Stock No. 712-3333
Mfr. Part No.J01156A0041
HK$1,013.70
Each
units
SMA Plug to Socket 20dB - 50Ω 10GHz - - - - - SMA - -
RS Stock No. 285-9696
Mfr. Part No.R412710124
BrandRadiall
HK$412.88
Each
units
N Plug to N Socket 0.5 dB, 10 dB - 50Ω DC to 6GHz - - - - - N - -
RS Stock No. 716-5123
Mfr. Part No.6830.17.A
HK$1,207.48
Each
units
N Plug to N Socket 1 dB, 30 dB - 50Ω 12.4GHz - - - - Yes N - -
RS Stock No. 712-3327
Mfr. Part No.J01156A0011
HK$734.03
Each
units
SMA Plug to Socket 3dB - 50Ω 10GHz - - - - - SMA - -
RS Stock No. 285-9781
Mfr. Part No.R414710161
BrandRadiall
HK$1,841.34
Each
units
N Plug to N Socket 10dB Straight 50Ω 18GHz - - Gold over Nickel Beryllium Copper - N Female Male
RS Stock No. 712-2949
Mfr. Part No.J01006A0023
HK$1,106.22
Each
units
BNC Plug to BNC Socket 6dB - 50Ω 6GHz - - - - - BNC - -