Description
QRP-Labs Low Pass Filter Kit
This Low Pass Filter (LPF) kit is based on the <a href=”https://www.qrp-labs.com/images/lpfkit/gqrplpf.pdf” target=”_blank”>G-QRP technical pages design by Ed Whetherhold W3NQN</a><span>. Kits are available for 13 bands 2200, 600, 160, 80, 60, 40, 30, 20, 17, 15, 12, 10 and 6m. The kit uses a high-quality double-sided PCB with silk-screen, solder-mask and through-hole plating. The capacitors supplied with the kit are high-quality RF ceramics of the C0G type (a.k.a. NP0 – near-zero temperature coefficient). Designed for the </span><a href=”https://www.qrp-labs.com/ultimate3″ target=”_blank”>U3 & U3S kits</a><span>, </span><a href=”https://www.qrp-labs.com/ultimate2″ target=”_blank”>U2 kit</a><span>, </span><a href=”https://www.qrp-labs.com/ultimatelpf” target=”_blank”>relay-switched LPF kit</a><span>, </span><a href=”https://www.qrp-labs.com/uarduino” target=”_blank”>Arduino shield</a><span>, or your own projects!<br /><br />The Low Pass Filter kit can handle at least 10W safely.<br /><br />Printed instructions are NOT supplied with the kit. You can download the kit-building instructions for your PCB from the links below. PCB revision 1 has nothing written on the PCB. Revision 2 has “Rev 2” written on the PCB silk-screen in two places.<br /></span>
