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Low Noise Amplifier, Frequency 9KHz~3GHz, Gain 43dB, Noise Figure 3dB, P1dB 16dBm

Low Noise Amplifier, Frequency 9KHz~3GHz, Gain 43dB, Noise Figure 3dB, P1dB 16dBm

A Low Noise Amplifier (LNA) is an amplifier with an extremely low noise figure. It is mainly used to amplify weak signals while minimizing noise interference to improve the signal-to-noise ratio. It is usually placed at the front end of a radio receiver system, such as after the antenna, to amplify the weak signals received from the air.
Characteristics:
1.Low Noise Figure: The core characteristic of a Low Noise Amplifier is its extremely low noise figure (Noise Figure, NF). The lower the noise figure, the less noise interference the amplifier introduces, resulting in a higher signal-to-noise ratio.
2.High Gain: In order to effectively amplify weak signals, a Low Noise Amplifier typically has a high gain, which can significantly increase the amplitude of the signal.
3.Wide Bandwidth: Many Low Noise Amplifiers are designed to be wideband, capable of handling signals across a broad frequency range.
4.Good Stability: A Low Noise Amplifier needs to have good stability to avoid oscillation when operating at high frequencies.
Low Noise Amplifiers are widely used in wireless communication, satellite communication, radar, electronic countermeasures, radio astronomy, and other fields.

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Qualwave supplies a variety of low noise amplifiers from 4K to 260GHz, and the noise figure can be as low as 0.7dB.
We introduce one of them, with frequencies ranging from 9KHz to 3GHz, a gain of 43dB, a noise figure of 3dB, a P1dB of 16dBm.

1. Electrical Characteristics

Frequency: 9K~3000MHz
Gain: 43dB typ.
Gain Flatness: ±1.5dB typ.
Output Power (P1dB): 16dBm typ.
Noise Figure: 3dB max.
Reverse Isolation: 60dB min.
Spurious: -60dBc max.
Input VSWR: 1.6 typ.
Output VSWR: 1.8 typ.
Voltage: +12V DC
Current: 140mA typ.
Input Power: +5dBm max.

 

2. Mechanical Properties

Size*1: 38.1*21.59*9.5mm
1.5*0.85*0.375in
RF Connectors: SMA female
Monting: 4-Φ2.54mm through-hole
[1] Exclude connectors.

 

3. Environment

Operating Temperature: -40~+75℃
Non-operating Temperature: - -55~+125℃

 

4. Outline Drawings

Unit: mm [in]
Tolerance: ±0.2mm [±0.008in]

5. Test Data

 Test conditions: Vdc=15V,Idc=126mA

Gain Return Loss1
Gain Return Loss2
Noise figure

6. How To Order

QLA-9K-3000-43-30

Qualwave have accumulated years of experience in the research and development of low-noise amplifiers, which can achieve mass production and customized research and development according to customer needs.
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Post time: Mar-21-2025