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 176-7266
製造零件編號AT-120V
BrandHirose
TWD1,467.00
單位
- 20dB Straight 50Ω 18GHz - - Gold Beryllium Copper - SMA Male Female
RS庫存編號 176-7267
製造零件編號AT-110V
BrandHirose
TWD1,467.00
單位
- 10dB Straight 50Ω 18GHz - - Gold Beryllium Copper - SMA Male Female
RS庫存編號 176-7218
製造零件編號AT-105V
BrandHirose
TWD1,467.00
單位
- 5dB Straight 50Ω 18GHz - - Gold Beryllium Copper - SMA Male Female
RS庫存編號 176-7268
製造零件編號AT-106V
BrandHirose
TWD1,467.00
單位
- 6dB Straight 50Ω 18GHz - - Gold Beryllium Copper - SMA Male Female
RS庫存編號 176-7264
製造零件編號AT-130V
BrandHirose
TWD1,600.00
單位
- 30dB Straight 50Ω 18GHz - - Gold Beryllium Copper - SMA Male Female