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New products

Very low-loss 2m +25dB preamplifier with 144-146MHz bandpass filter
165,83 € tax excl.
1090 MHz outdoor ADS-B preamplifier on mast with bias-tee
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2m +25dB low-noise preamplifier with 144-146MHz bandpass filter
162,50 € tax excl.
70cm +20dB low-noise preamplifier with 430-440MHz bandpass filter
162,50 € tax excl.

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70cm +20dB low-noise...
Low-loss input bandpass filter for the 70cm...

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70cm +20dB low-noise preamplifier with 430-440MHz bandpass filter

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Manufacturer: Antennas Amplifiers

Reference: AA-6720-PREAMP70CM-3002

Condition: New product

Country of origin:

Serbia

70cm +20dB low-noise preamplifier with 430-440MHz bandpass filter

No review at the moment

Low-loss input bandpass filter for the 70cm band from 430 to 440MHz with PGA-103+ very low noise preamplifier, +20dB gain.

The unit contains a high selectivity, high Q, low loss -0.13dB bandpass filter with VLNA.

A 70cm bandpass filter is built in to suppress out-of-band signals from 2m or 23cm stations.

Achieves better results than with two separate components, approximately 0.05-0.1dB lower NF, thanks to two fewer connectors.

Power consumption: +10-15V / 100mA

Supplied with a box for outdoor mounting.

More details

Data sheet

Results measured:

Frequency and gain:

28.4 MHz : -52 dB
50.11 MHz : -40 dB
70 MHz : - 33 dB
FM 88 MHz : - 27 dB
FM : 108 MHz : - 22 dB
144 MHz : - 15 dB
222 MHz: - 1 dB
430 MHz : + 20.3 dB NF = 0.63 dB Input RL better than -18dB
432.1 MHz : + 20.3 dB NF = 0.63 dB +20.3 dB NF = 0.63 dB Input RL better than -18dB
440 MHz : + 20.2 dB NF = 0.63 dB Input RL better than -18dB
720.5 MHz : - 1 dB
864.2 MHz : - 12 dB
1240 MHz : - 29 dB
1296.1 MHz : - 32 dB
IP3out: > 37 dBm

These excellent results are the result of careful selection of components and careful design.

Thanks to input filtering, the combination of preamplifier and bandpass filter is much better protected against interference from strong out-of-band signals.

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