RF Amplifier ICs

RF amplifiers - or radio frequency amplifiers - are tuned amplifiers that increase the high-frequency signal used in radio communications. They're used in electronic circuits with other components.

Types of RF amplifiers

RF amplifiers can tune into a desired range of input frequencies. They can also provide gain, buffering and drive for fragile signals. There are several different types of RF amplifiers characterised by their frequency range, supply current, supply voltage, gain and output power.

Common types include:

  • RF amplifier power gain - if signal is too low to be useful elsewhere in the circuit, it can be increased by this amplifier. The amplifier boosts the signal level with minimum noise or distortion and can even be used with extremely low-level signals, such as those from an antenna.
  • RF power amplifier - this type of electronic amplifier converts a low-power radio-frequency signal into a higher power signal.

RF amplifiers applications

RF amplifiers have a variety of applications, including communications testing and medical diagnostics as well as voice and data communications.


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Description Price Amplifier Type Typical 3dB Bandwidth Typical Power Gain Typical Output Power Typical Noise Figure Number of Channels per Chip Maximum Operating Frequency Mounting Type Package Type Pin Count Dimensions Height Length Automotive Standard
RS Stock No. 190-8050
Mfr. Part No.MAX2611EUS+T
€1.876
Each (In a Pack of 5)
units
Low Noise 1100MHz 18.3 dB 13dBm 3.5dB 1 500 MHz Surface Mount SOT-143 4 3.04 x 1.4 x 1.07mm 1.07mm 3.04mm -
RS Stock No. 190-4558
Mfr. Part No.MAX2112ETI+
€6.139
Each (In a Tube of 60)
units
RF Variable Gain - 80 dB - 9dB - 2175 MHz Surface Mount QFN 28 5 x 5 x 0.75mm 0.75mm 5mm -
RS Stock No. 190-6116
Mfr. Part No.MAX3747AEUB+T
€1.682
Each (On a Reel of 2500)
units
Limiting - 57 dB - - 1 - Surface Mount μMax 10 3.05 x 3.05 x 0.95mm 0.95mm 3.05mm -
RS Stock No. 732-9519
Mfr. Part No.MAX3645EEE+
€2.46
Each
units
Limiting 250MHz - - - 1 - Surface Mount QSOP 16 4.98 x 3.99 x 1.481mm 1.481mm 4.98mm -
RS Stock No. 191-3314
Mfr. Part No.MAX3748HETE+
€1.513
Each (In a Tube of 100)
units
Limiting - 53 dB - 26dB 1 - Surface Mount TQFN 16 3 x 3 x 0.7mm 0.7mm 3mm -
RS Stock No. 190-8041
Mfr. Part No.MAX2112ETI+
€7.40
Each
units
RF Variable Gain - 80 dB - 9dB - 2175 MHz Surface Mount QFN 28 5 x 5 x 0.75mm 0.75mm 5mm -
RS Stock No. 190-0438
Mfr. Part No.MAX2235EUP+
€3.144
Each (In a Pack of 5)
units
Power - 26 dB 32.5dBm - 1 1 GHz Surface Mount TSSOP 20 6.6 x 6.5 x 0.95mm 0.95mm 6.6mm -
RS Stock No. 190-4560
Mfr. Part No.MAX2611EUS+T
€0.805
Each (On a Reel of 2500)
units
Low Noise 1100MHz 18.3 dB 13dBm 3.5dB 1 500 MHz Surface Mount SOT-143 4 3.04 x 1.4 x 1.07mm 1.07mm 3.04mm -
RS Stock No. 190-6117
Mfr. Part No.MAX3969ETP+
€2.433
Each (In a Tube of 75)
units
Limiting - - - - - - Surface Mount TQFN 20 4.1 x 4.1 x 0.75mm 0.75mm 4.1mm -
RS Stock No. 190-7087
Mfr. Part No.MAX3747AEUB+T
€2.91
Each (In a Pack of 5)
units
- - - - - - - - - - - - - -
RS Stock No. 190-7108
Mfr. Part No.MAX3969ETP+
€3.184
Each (In a Pack of 5)
units
- - - - - - - - - - - - - -
RS Stock No. 923-7333
Mfr. Part No.MAX3645EEE+
€2.386
Each (In a Tube of 100)
units
Limiting 250MHz - - - 1 - Surface Mount QSOP 16 4.98 x 3.99 x 1.481mm 1.481mm 4.98mm -
RS Stock No. 191-3568
Mfr. Part No.MAX3748HETE+
€2.00
Each (In a Pack of 5)
units
Limiting - 53 dB - 26dB 1 - Surface Mount TQFN 16 3 x 3 x 0.7mm 0.7mm 3mm -
RS Stock No. 168-2931
Mfr. Part No.MAX2678GTB/V+
€3.00
Each (In a Pack of 2)
units
- - 17 dB, 18 dB 6 dBm, 20 dBm 0.9 dB, 1.8 dB 2 1575 MHz Surface Mount TDFN 10 3.1 x 3.1 x 0.75mm 0.75mm 3.1mm AEC-Q100
RS Stock No. 191-4279
Mfr. Part No.MAX3747AEUB+
€1.853
Each (In a Tube of 50)
units
Limiting - 57 dB - 30dB - 6.4 (Typ.) kHz Surface Mount μMAX 10 3.05 x 3.05 x 0.95mm 0.95mm 3.05mm -
RS Stock No. 191-4738
Mfr. Part No.MAX3747AEUB+
€2.184
Each (In a Pack of 5)
units
Limiting - 57 dB - 30dB - 6.4 (Typ.) kHz Surface Mount μMAX 10 3.05 x 3.05 x 0.95mm 0.95mm 3.05mm -