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High gain 25W and 100W FM pallet amplifier with 12-15V LDMOS  

High gain 25W and 100W planar FM pallet amplifier with 12V LDMOS

The 25W pallet has been designed for applications requiring low supply voltage (10-15V) and very high gain. It can produce full output power from just a few milliwatts of drive power, a small VCO is already sufficient. 100W planar pallet requires more drive.

Each pallet amplifier we sell is designed and tested using vector network analyzer and spectrum analyzer. Our amplifier products are manufactured using an automatic surface mount assembly process.
This pallet is optimized for 10-15V operation and is perfect for battery-powered mobile applications and solar powered applications. Using a lower voltage will result in lower output power.
It is well suited as a driver stage and it will operate down to about 10 volts. RF output power can be adjusted by lowering the supply voltage. 25W model also features output power adjustment input and 0-5V DC signal can be used to set output power. You can also connect trimmer between 2 points and use it to set power level.
As with any pallet you will need a heatsink, power supply and filter to use it. More information is available in the included amplifier data sheet.

Due to high gain the 25W pallets can be powered practically from the VCO, an isolation stage and shielding are recommended for stability. Practically any source you can imagine will be strong enough to drive this pallet amplifier.

100W planar pallet requires about 1W of drive. It gives more than 100W across entire band even band edges!

Technical specifications:
- FM band, 87.5MHz to 108MHz, will work from 80 120MHz at reduced power (also available for 144MHz and other frequency bands, email for info)
- Input/output 50 ohms.
- Pout: >25W; >100W typical depending on the model
- Drive power required: 0.1mW-5mW (25W)
- Drive power required: 1W (100W)
- Requires 10-15Vdc (25W/4A / 100W/8A)
- No bias adjustments or RF circuit tuning is required.
- Size V3 25W: 48x57mm, 20mm high
- Size V1 100W: 48x102mm, 30mm high

You can find suitable filters here.
Suitable mains power supply are here.
A heatsink used for this pallet can be used as well, scroll to the bottom.

Warning: Do not exceed maximum supply voltage of 15V or damage will occur.

Note 1: Please use teflon coaxial cable for RF input (RG178 is perfect) and output (RG178 or RG142 are perfect) connections, this makes it possible to have very short leads without burning the coax. Keep the coax leads as short as possible (few mm at most). Also keep leads short on connectors, this N female flange for RG142 or .141 semirigid - easy install is perfect!

Note 2: A small heatsink is definitely needed!

This product was added to our catalog on Tuesday 29 March, 2011.
 *Please select the quantity for each item you wish to order and click the 'Add To Cart' button below.
Displaying 1 to 2 (of 2 products) Result Pages:  1 
    Name   Model   Select   Price 
High gain 25W v3 PRO FM pallet amplifier  High gain 25W v3 PRO FM pallet amplifier   25W 12-15V  79.99EUR  44.99EUR
Without VAT (paid only in EU)
100W V1 PRO planar FM pallet amplifier  100W V1 PRO planar FM pallet amplifier   100W 12V  199.99EUR
Without VAT (paid only in EU)
Displaying 1 to 2 (of 2 products) Result Pages:  1 
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