VLNA-432
432 MHz VERY LOW NOISE AMPLIFIER

by Gyula Nagy, HA8ET


 

Technical data:

Frequency range:…..……430-440 MHz
Input/Output impedance:  50 Ω
Gain:………….………… 13-19 dB (adjustable)
Noise Figure………..……<0,29 dB (typ. 0,3)
1 dB Bandwidth:……….. 13,95 MHz
3dB Bandwidth:………..  19,26 MHz
IP3………….……………>22 dBm
Max input power………. 17 dBm
Broadcast rejection:……..>63 dB @ 100 MHz
Rejection @ 144 MHz:…>50 dB
Unconditionally stable
Stability factor:…………>2
Moderate sensitivity to ESD
Supply voltage:……...…  +12…15V/81mA
Powered through antenna feed line, or separately
+33 dBm IP3 GaAs FET (SAV-451+)
Connectors:…………...... BNC or N
Dimensions (Box):…….. 74 x 37 x 30 mm

 

 

VLNA-432 PCB

Narrow band

 

Wide band

 Noise figure

 

Noise figure (simulation)

OIP3

 

Schematic diagram

Part list

 

 

The VLNA-432 preamplifiers available:

-N male connectors
-N male N female connectors
-BNC connectors

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© HA8ET 2019