There are 32 circuit schematics available in this category. Click here for all circuit diagrams. The Last circuit was added on Saturday, January 28, 2023.Please note some adblockers will suppress the schematics as well as the advertisement so please disable if the schematic list is empty.

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CircuitCategoryDate AddedOK?Votes 
UHF Preamplifier covers 450MHz - 800MHz based on MPSH10 / BF180 / BCY90RF_AmplifierJun 28, 2024Status-1 vote up vote down
60W Linear amplifier using IRF840 power MOSFETRF_AmplifierJun 28, 2024Status-2 vote up vote down
1300MHz - 1500MHz antenna with amplifier based on two MAR-8 RF amplifiersRF_AmplifierJul 03, 2024Status1 vote up vote down
Direct Crystal radio receiver examplesRF_Amplifier Status1 vote up vote down
10 meter (28MHz) band RF amplifierRF_Amplifier Status2 vote up vote down
Wideband VHF/UHF/SHF 22dB RF preamp with MAR-6 or MAR-8 (MSA-0885)RF_Amplifier Status-3 vote up vote down
HF 10 watt amplifier for 18MHz using a 2SC1969/2SC1944 transistorRF_Amplifier Status0 vote up vote down
VHF 6 Meterband RF amplifierRF_Amplifier Status-1 vote up vote down
Op Amp RadioRF_AmplifierSep 01, 2024Status-1 vote up vote down
20dB VHF AmplifierRF_AmplifierFeb 21, 2025Status4 vote up vote down
30 watt FM linear amplifier circuit diagramRF_AmplifierFeb 21, 2025Status-2 vote up vote down
Linear FM 50 watt amplifier with BLY90RF_AmplifierFeb 21, 2025Status0 vote up vote down
18 dB LT1253 DDS amplifier circuit diagramRF_Amplifier Status0 vote up vote down
23 dB Bipolar DDS AmplifierRF_Amplifier Status0 vote up vote down
SSB linear amplifier made from a bunch of 2N2218 transistorsRF_AmplifierOct 08, 2024Status0 vote up vote down
Bi-Directional 2.4 GHz One Watt AmplifierRF_AmplifierJun 13, 2024Status-1 vote up vote down
Bi-Directional 900Mhz One Watt AmplifierRF_AmplifierJun 13, 2024Status0 vote up vote down
1 Watt 2.3 GHz RF Amplifier Using a MRF2001RF_AmplifierJun 13, 2024Status0 vote up vote down
One Watt 2.45 GHz Linear Amplifier using RF Micro Devices RF2126RF_AmplifierOct 31, 2024Status-1 vote up vote down
2.3 GHz Power AmplifiersRF_AmplifierJun 13, 2024Status0 vote up vote down
2304 and 3456 MHz Power AmplifiersRF_AmplifierJun 13, 2024Status0 vote up vote down
Build a good GaAs FET preamp for 2 meters, 222MHz or 440MHzRF_Amplifier Status-1 vote up vote down
Broadcast-Band RF AmplifierRF_Amplifier Status-5 vote up vote down
2m (144MHz) Dual Gate FET Low Noise AmplifierRF_Amplifier Status-1 vote up vote down
SWR protection board for 20W Mosfet FM amplifierRF_AmplifierJul 13, 2024Status2 vote up vote down
25W FM MOSFET RF power amplifier based on BLF245RF_AmplifierJul 13, 2024Status4 vote up vote down
100W FM RF power amplifier based on MRF317RF_AmplifierJul 13, 2024Status-2 vote up vote down
50W linear amplifier for 40 and 80 meter band using IRFP150 MOSFETsRF_AmplifierJul 13, 2024Status2 vote up vote down
UHF amplifier for 400 ~ 850MHz using a 2SC3358 transisorRF_AmplifierJun 28, 2024Status-2 vote up vote down
HF 10W Power AmplifierRF_AmplifierJun 28, 2024Status-2 vote up vote down
144 MHz 125W Power AmplifierRF_AmplifierJun 28, 2024Status3 vote up vote down
Broadband UHF AmplifierRF_AmplifierJul 03, 2024Status-4 vote up vote down