The 10 Best Variable Gain Amplifiers to Buy – August 2022 Review

Looking for the best Variable Gain Amplifiers?

We did 14 hours of research and testing 9 products to create this review. We believe the best Variable Gain Amplifiers doesn’t have to be the most sophisticated to be exceptional. Our product selection lives up to its promise. Many different criteria were used for this comparison to be more relevant and more precise. Now discover our comparison !

TOP 10

No. 1
Vega Barebones - Ultra Low-Noise Variable Gain Amplifier (VGA) Module for RF & Software Defined Radio (SDR). Highly Linear & Wideband 30MHz-4000MHz Frequency Capability w/Bias Tee & USB Power Options
  • A wideband (30MHz-4000MHz), high-performance, general purpose LNA module with a built-in variable attenuator to maximize usability and portability
  • The attenuation can be controlled either with the on-board potentiometer (analog control) or push button array (digital control)
  • Dual amplifier design with adjustable gain (20dB-50dB at 100MHz), low noise figure and low power consumption. Can be powered through bias tee (3.3V-5V), USB, or DC power
  • Made in North America. Full 1 year warranty!
SaleNo. 2
24db Distribution Amplifier - Digital TV Antenna Booster Signal Amplifier, Adjustable Boost/Gain, NTSC, ATSC, FM, UHF, VHF - 1000 MHz - Includes RG6 Coaxial Cable
  • Includes: 1 TV Antenna Distribution Amplifier and 1 RG6 coax cable
  • Perfect For: This 24db distribution amplifier is used to strengthen signal reception from your antenna to TV, providing high output capability with minimal distortion
  • Features: Heavy duty metal housing, with built-in coaxial mounting ports, a power indicator light, adjustable gain control, and return path
  • Versatile: Enjoy the control of variable gain in VHF / UHF / FM bands, ATSC, NTSC, FTA, OTA
  • Quality Assurance: This TV amplifier features a high quality, commercial grade build and Includes a US manufacturers warranty
No. 3
500M AD8367 LNA Broadband RF Low Noise Amplifier Module VGA + AGC Gain 45DB APM Board, Linear Variable Gain Low Noise Amplifier High Linearity Low Distortion Module
  • AGC& VGA Design: This RF Low Noise Amplifier is a on-chip integrated square root detector, which can achieve single-chip AGC applications, and it is also a VGA chip that enables single-chip closed-loop AGC. This chip features a high performance 45dB variable gain amplifier that controls linear gain and operates stably from any low frequency to 500MHz.
  • Input and Output Range: This Low Noise Amplifier adopts with a single-ended input, single-ended output for a easy and convenient operate. And the input impedance is 200Ω, and the output impedance is 50Ω, you can use it within the ranges
  • Excellent Performance: This LNA Broadband uses AD's advanced X-AMP structure, which features with excellent gain control, and the amplifier module features with ultra low noise and high linearity characteristics
  • Adjustable Modeule: This RF Low Noise Amplifier Module is adjustable, when the input is zero level, the output level is half of the supply voltage, and it is also adjustable, you can adjust it upon your own needs
  • Multifunctional: This High Gain Low Noise Amplifier Module features with a dB linear Gain control characteristics, and the gain control features selection and power-down control, and the operating frequency can be extended to any low frequency by external capacitor, very practical for use
No. 4
1 pc AD8367 module variable gain amplifier 500MHz bandwidth measured 32dB gain amplification
  • Name: AD8367 Variable Gain Amplifier
  • Size: 45mm X 28mm
  • Supply voltage range: +5V
  • Suitable for mid-range amplification, signal amplification within 300MHz, and excellent in-band flatness with high gain.
  • Note: The AD8367 is a VCA chip that is prone to self-excitation. Therefore, during actual use, the AD8367 is prone to self-excitation when it exceeds or approaches the maximum control voltage of 1.2 V of the VCA due to capacitive resistance tolerance and plate layout and other factors.
No. 5
AD8130 Module Differential Amplifier Module RF Wideband Amplifier Fully Differential Input/Output Low Noise Low Distortion Variable Gain Amplifier Module
  • 100% brand new and high quality.
  • High CMMR(common-mode rejection ratio).
  • Low noise, low distortion, with good signal transmission capability.
  • Adjustable amplification gain.
  • 【Wide Application】It's low in properties can be a perfect match various circuits as ideal amplifier buffer amplifiers.
No. 6
25dB Amplifier VHF/UHF/FM with Variable Gain
1,209 Reviews
25dB Amplifier VHF/UHF/FM with Variable Gain
  • Use this distribution amp to strengthen signal reception from antenna to TV
  • This product should be installed by a qualified technician to ensure proper performance and suitability.
  • This amplifier will increase or amplify a TV signal, however it cannot create or produce a TV signal.
  • This amplifier is not designed to work with CABLE TV. It's sole purpose is to amplify TV signals ranging from 47 to 1000MHz.
  • If you are not experienced with the distribution of a TV signal you should not purchase this item.
No. 7
Hands-On Business Intelligence with DAX: Discover the intricacies of this powerful query language to gain valuable insights from your data
14 Reviews
Hands-On Business Intelligence with DAX: Discover the intricacies of this powerful query language to gain valuable insights from your data
  • Amazon Kindle Edition
  • Horne, Ian (Author)
  • English (Publication Language)
  • 404 Pages - 01/31/2020 (Publication Date) - Packt Publishing (Publisher)
SaleNo. 8
BOSS Audio Systems PF1800 4 Channel Car Amplifier - 1800 Watts, Full Range, Class A-B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable
  • Power - 450 Watts Max x 4 @2-Ohms, 225 Watts Max x 4 @4-Ohms, 900 Watts Max x 2 Bridged @4 Ohms
  • Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
  • Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
  • Mosfet Power Supply - A MOSFET is basically an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
  • Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
  • Variable BASS Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)
  • Bridgeable - Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels
  • Specs - Dimensions: 13.5” x 10.31” x 2.25, Weight: 12 lbs.
  • Warranty - BOSS Audio Systems provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality
No. 9
Small Signal Audio Design
  • Self, Douglas (Author)
  • English (Publication Language)
  • 784 Pages - 04/22/2020 (Publication Date) - Focal Press (Publisher)
No. 10
4 Pcs MAX9814 Electret Microphone Amplifier AGC Microphone Preamplifier Module Auto Gain Control
  • The MAX9814 is a high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias.
  • The MAX9814 Microphone AGC Amplifier is a low-noise front-end amplifier, variable gain amplifier (VGA), output amplifier, microphone bias voltage generator and AGC control circuit
  • The electret microphone amplifier max9814 has a fixed 12dB gain, while the VGA gain automatically adjusts from 20dB to 0dB, depending on the output voltage and the AGC threshold.
  • The frequency response range of the product is 20Hz-20KHz, which is used for programmable attack and release ratio.
  • The MAX9814 is available in the space-saving, 14-pin TDFN package. This device is specified over the -40°C to +85°C extended temperature range. MAX9814: Simplified Block Diagram MAX9814: Simplified Block Diagram Enlarge+

Intro

Find out where you can get the best Variable Gain Amplifiers! Making your choice among different Variable Gain Amplifiers on the market is not always easy. It can also turn into a daunting task because of the many websites offering the same type of product. On this page, we will give you a comparison to get the best value for your money. This complete ranking provides you with a comprehensive view and allows you to pick the best Variable Gain Amplifiers. You will find a broad selection of models, brands, and prices. Whether you want to save money or find out what is the best Variable Gain Amplifiers for you, our comparison will help you make the right choice. To keep things practical and easy to understand, we created a Top 10 of the best Variable Gain Amplifiers. You won’t have to choose your products at random anymore.. On your marks! Compare! Pick your Variable Gain Amplifiers!

Our Picks

No. 1
Vega Barebones - Ultra Low-Noise Variable Gain Amplifier (VGA) Module for RF & Software Defined Radio (SDR). Highly Linear & Wideband 30MHz-4000MHz Frequency Capability w/Bias Tee & USB Power Options
  • A wideband (30MHz-4000MHz), high-performance, general purpose LNA module with a built-in variable attenuator to maximize usability and portability
  • The attenuation can be controlled either with the on-board potentiometer (analog control) or push button array (digital control)
  • Dual amplifier design with adjustable gain (20dB-50dB at 100MHz), low noise figure and low power consumption. Can be powered through bias tee (3.3V-5V), USB, or DC power
  • Made in North America. Full 1 year warranty!
SaleNo. 2
24db Distribution Amplifier - Digital TV Antenna Booster Signal Amplifier, Adjustable Boost/Gain, NTSC, ATSC, FM, UHF, VHF - 1000 MHz - Includes RG6 Coaxial Cable
  • Includes: 1 TV Antenna Distribution Amplifier and 1 RG6 coax cable
  • Perfect For: This 24db distribution amplifier is used to strengthen signal reception from your antenna to TV, providing high output capability with minimal distortion
  • Features: Heavy duty metal housing, with built-in coaxial mounting ports, a power indicator light, adjustable gain control, and return path
  • Versatile: Enjoy the control of variable gain in VHF / UHF / FM bands, ATSC, NTSC, FTA, OTA
  • Quality Assurance: This TV amplifier features a high quality, commercial grade build and Includes a US manufacturers warranty
No. 3
500M AD8367 LNA Broadband RF Low Noise Amplifier Module VGA + AGC Gain 45DB APM Board, Linear Variable Gain Low Noise Amplifier High Linearity Low Distortion Module
  • AGC& VGA Design: This RF Low Noise Amplifier is a on-chip integrated square root detector, which can achieve single-chip AGC applications, and it is also a VGA chip that enables single-chip closed-loop AGC. This chip features a high performance 45dB variable gain amplifier that controls linear gain and operates stably from any low frequency to 500MHz.
  • Input and Output Range: This Low Noise Amplifier adopts with a single-ended input, single-ended output for a easy and convenient operate. And the input impedance is 200Ω, and the output impedance is 50Ω, you can use it within the ranges
  • Excellent Performance: This LNA Broadband uses AD's advanced X-AMP structure, which features with excellent gain control, and the amplifier module features with ultra low noise and high linearity characteristics
  • Adjustable Modeule: This RF Low Noise Amplifier Module is adjustable, when the input is zero level, the output level is half of the supply voltage, and it is also adjustable, you can adjust it upon your own needs
  • Multifunctional: This High Gain Low Noise Amplifier Module features with a dB linear Gain control characteristics, and the gain control features selection and power-down control, and the operating frequency can be extended to any low frequency by external capacitor, very practical for use

Why you should trust us?

This guide is the result of more than 10 years of experience in researching, testing, and writing about various subject. Our team members are experts in their fields. We spent 14 hours reading all the articles we could find online and all the customer reviews on various retail websites such as Amazon, Ebay, Alibaba or Flipkart. We also found many websites that provided valuable resources such as purchasing guides and detailed information on Variable Gain Amplifiers. To help you make the best choice among the hundreds of products available, we decided to offer you a comparison in order to find the best value for your money. We searched different fields to find the best Variable Gain Amplifiers. We also looked at the best alternatives for reasonably priced and easy to use products. After we determined our main parameters, we conducted our research and tests.These parameters separate a great product from an average one:

  • Price
  • Ease of use
  • Customer reviews
  • Quality
  • Durability

Conclusion

We hope this ranking was helpful to you in choosing the Variable Gain Amplifiers that best suits you. We made it thoroughly and we will update it regularly, so that you get a real-time comparison. Our goal is to allow you to compare models and prices, to get an overview of what the market has to offer. We are here to make it easier for you and to make informed decisions. If our ranking gave you a clearer view on the different products available, feel free to let us know in the comments section. We will happily read them.

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Last update on 2022-08-18 at 16:46 / Affiliate links / Images from Amazon Product Advertising API