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800W BLF188XR 2m band (144MHz) 50V pallet

 3,99 399,99

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Category:
 399,99

In stock

 3,99

In stock

 7,49

In stock

 153,99

In stock

 39,99 159,99

In stock

 189,00

In stock

Prices shown are without VAT (paid only in EU)

Description

2m all-mode wideband amplifier with new advanced AMPLEON transistors (BLF188XR version)

Designed for ham radio, this amplifier uses a single AMPLEON LDMOS push-pull transistor to produce about 1000 peak! An excellent heatsink with technical background in RF amplifiers is required.

Technical specifications:
– Shipping Weight: 0.9Kg
– 144-146MHz 43-50V @ 26A
– Input/Output 50 ohms
– Pout 800-900W with ~8W input
– ~ 20 dB gain
– Class B push-pull.
– Temperature compensated bias designed by NXP.
– Compact size; LxWxH 4.0 x 2.25 x 1.5 inches
– Standard 1/4 inch copper base
– Bias disable pads facilitate integration into amplifier systems that employ automatic VSWR protection.

IMPORTANT:

– A good shielding between final stage and any driver/low power stage is required. Please foresee a good RF choke also on the supply wiring.
– Excessive drive level can damage this amplifier, design of equipment where the amplifier will be mounted, must foresee an appropriate protection circuits. Max input level is + 6dB referred to the typical input power.
– Amplifier efficiency is function of supply voltage, in order to obtain max efficiency please reduce supply in function of desired output power. Generally best compromise between efficiency and harmonic emission, is obtained when the amplifier work at about 2-3 dB of gain compression.
RF pallets are sensitive devices, if you do not have sufficient experience please consider a finished product instead. They can be burned by applying too much drive power, too high supply voltage, not using proper heatsink, using filter with insufficient specifications, connecting mismatched loads or no load at all and also by soldering coax with too long leads. For this reason there is no warranty for any pallet. We do assure you that every pallet is tested and is 100% operational as it leaves our workshop.

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