LNA-DUAL-VU-O Pre-Amplifer

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LNA-DUAL-VU-O Pre-Amplifer

Our Price: $299.95

Stock Status:In Stock
Product Code: 24-531224

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Details

LNA-DUAL-VU-O
Outdoor All-Weather Mast-Mounted Low-Noise Pre-Amplifier
Dual band Low Noise Outdoor Amplifier
Frequency ranges: 112 - 170 & 220-512 MHz (at -6dB)
Gain 23 dB (typ.)
Input/output impedance 50 Ohm
Input/output connectors: N
Power supply voltage: 12 to 14V DC
(max. voltage limits 11 to 20V DC)
Supply voltage connector: SO239
Current consumption: 60 mA
Noise figure: 3.0dB typ.

This LNA has been designed in order to improve weak signal reception on both civil VHF and military UHF Air-bands. The bandpass filters are optimized for best supression of out-of-band signals and lowest insertion loss and noise figure. In the current version the LNA is also suitable for reception in the VHF Band 137 to 170 MHz. The LNA uses weatherproof housing with metal baseplate with connectors and HD plastic cover that protects the device against rain. Supply of power is universal, i.e. two methods can be used. 1. Separate cable for DC voltage (thin coaxial cable is recommended which adds to reliability) to the SO239 connector on the LNA baseplate, or 2. supply via the RF coaxial cable. Both methods are equivalent. The LNA is protected against overvoltage and against voltage spikes resulting from static discharges during thunderstorms.

LNA-DUAL-AIR-O has high linearity and high imd specs. High quality notch filters are used at the input which supress out-of-band signals. The problematic VHF FM broadcast band, which causes overloading of receivers due to strong BC signals, is highly supressed and therefore no other filters are needed (such as HPN-30118). This is probably the first pre-amplifier on the market for both the lower VHF and upper UHF Air-bands and for the most popular VHF band up to 170 MHz. It is great for radio amateurs as well as professionals. LNA-DUAL-AIR-O is designed for receive applications only, no T/R relay is present.

The combination of the LNA-DUAL-AIR-O and a discone, air-band, or other high-quality antenna will result in an excellent active receive antenna system which has very few rivals.

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