Amplifier
HF amplifiers for ham radio use.
Site Listings
SUPERVOX - S 300
1.5 to 30 Mhz RF Amplifier pop
10 11 meters RF Power Amplifier
10 W Linear Amplifier
100W HF QRO linear amplifier
10m FM Amplifier
11 KW Linear amplifier by I0JX
1500 Watt Solid State HF Amplifier
160m linear amplifier - pictures
2 kW HF Amplifier Rebuild
2 x 3-500Z HF Power Amp
2 x 4-400A Amplifier Deck
20 W HF Power Amplifier
24 MOSFET Class E RF Amplifier
3-500Z Amplifier Project
4 KW RF Amplifier
4 x 813's RF Amplifier Deck
4-1000A Tube RF Amplifier
40m linear amlifier made by 9A6A
4CX1500
5-band RF Power Amplifier
500 WATT PA by SM0VPO
60 W Linear Amplifier Circuit
600 Watt HF Amplifier pop
600W LDMOS Power Amplifier
7 Watt HF Amplifier
70W SSB Power Amplifier For FT-817 or KX3
80 m Hexfet power amplifier
80-10m Linear Amplifier
811 Linear Amplifier project
A 20m monoband Power Amp
A 600 Watt homebrew Solid State Amplifier
A Compact 600W Broadband HF Power Amplifier
A LF power amplifier
A low cost 600 watt ultra-linear amplifier pop
A simple 50W RF Power Amplifier
A600 Power Amplifier Project
Adding 160M to HF amplifiers
AL80B Mod
AL811 trouble shooting
Alpha 87a Amplifier Fault 1
Alpha Amplifier Upgrades
Ameritron AL-1200 to gs35b Conversion
Ameritron AL-80A modification
Amplifier for 15 and 17 meter band
Broadband Power Amplifier
Build an HF Linear Amp
Building a Robust PL519 Tube HF Amplifier
Converting an HT-41 Hallicrafters Amplifier
Dentron DTR-2000L restoration
Dentron GLA-1000 Conversion
Dentron MLA-2500 Retrofit to the GI-7B
Easy Kilowatt Linear Amplifier
FC-80B Linear Amplifier - An AL-80B Copy
FT817 Amp Project
G3YXM 500 W PA
GS-35B Tube Amp
Heathkit SB-220
Henry 2KD-5 Grade UP Modification
HF 1 KW Home Made Amplifier
HF Amp Project
HF Power Amplifier by CT1FMS
HF power amplifier using GI7B
HF QRP Lin Ampl
HF Tetrode Linear Amplifiers
Home Made 2.4 kW HF Amp
Home Made 813 Amp
Homebrew HF Amp with 3CX3000F7
Homebrew 3CX3000A7 Amplifier
Homebrew 813 Linear Amplifier
Homebrew a HF Power Amplifier
How modify a CB linear to use in HF band pop
I5UXJ home made amplifiers
IK5MEN HF amplifier 10-160m.
Improving The Heathkit SB-200
K0GKD Solid State amplifier
KENWOOD TL-922 Modifications
L4b 160m Mod
LA7MI 40W RF Amplifier for 80m
Modifications to the Ameritron AL-1200 Amplifier
MOSFET amplifier for 80 mt.
N1IBC Eimac 4CX1500B HF Power Amplifier
N4ATS.com
N4IP HF and 6 Meters amplifier
Power Amplifier using 4CX1500B
QRP Amplifier
Reparing a Heathkit SB-101
Russian amplifier for 160 and 6 meters
SB-200 Amplifier Rebuild Notes
Stone Creek Special 600 HF RF Amplifier
Ten-Tec Centurion Mod
The G2DAF Linear Amplifier
The Two Module, 400 Watt RF Amplifier 80 Meters
Using the Heath SB-200 Linear on Six Meters
VE6FI 4-1000a amplifier
W2DTC Homebew RF Amplifier
WA2EBY HF amplifier
Yaesu VL-1000 amplifier
YC156 Conversion
Yet Another Amp for the 817
AM CW SSB linear amplifier for 160 80 and 40 meter band
Hits: 3277
| Votes: 2 | Rating: 5.5
This high range amplifier is very small SB200 size Vacuum variable input and output caps ...
By: Gerry King
Hits: 53907
| Votes: 43 | Rating: 3.82
AM/FM/CW QRP RF Power Amplifier for the HF 10 or 11 meterband (28MHz/27MHz)
Hits: 5175
| Votes: 6 | Rating: 5.67
This article describes a 10 watt linear amplifier that is capable of delivering over 15 ...
By: SM0VPO
Hits: 11444
| Votes: 12 | Rating: 5.25
Based on Motorola MRF454, schematics and component list
Hits: 9200
| Votes: 13 | Rating: 4.54
100 W output RF amplifier for 10 meter band project by W4NFR
Hits: 783
| Votes: 3 | Rating: 5.67
Use 4CX10000D 8171 RF output power of 11 KW in key down carrier on all ...
Hits: 24649
| Votes: 34 | Rating: 7.69
This is a project to develop an Open Source reference design for a 1500 watt ...
Hits: 9910
| Votes: 18 | Rating: 3.38
Pictures of a homemade monoband linear amplifier for 160m band powered by 3 x QB5 ...
By: 9A&A
Hits: 533
| Votes: 2 | Rating: 2
Heathkit SB-220 amplifier repaired at W8UM
Hits: 7664
| Votes: 6 | Rating: 5.17
A 2x3-500Z rf power amplifier for 80-10 meters
Hits: 4310
| Votes: 8 | Rating: 3.13
A Class C Amplifier rebuilt with 4-400A tubes by W7IUV
Hits: 3091
| Votes: 3 | Rating: 5
A HF power amplifier with a push pull of AFT09MS015N The small signal gain of ...
By: IN3OTD
Hits: 198
This is a 24 MOSFET Class E RF Amplifier covering the 80 and 160 meter ...
Hits: 1806
| Votes: 2 | Rating: 4.5
This article loaded with nice pictures and schematics describes a 160 10 meter linear amplifier ...
By: William Moneysmith
Hits: 1095
| Votes: 4 | Rating: 9.5
HF power amplifier project powered by GU-78B by SV8JE
Hits: 1589
| Votes: 2 | Rating: 10
This amp project was an exercise in cheap The design criteria was to use only ...
Hits: 12404
| Votes: 19 | Rating: 5.47
Home Brew a 4-1000A RF power amplifier project by W4NFR
By: William Moneysmith
Hits: 691
Pictures of a monoband linear amplifier for 40m band 2 x QB5 1750 made by ...
By: Petar Milicic
Hits: 817
| Votes: 1 | Rating: 10
This is a 4CX1500B grid driven amplifier that is built like a tank The unit ...
Hits: 11416
| Votes: 12 | Rating: 6
This project uses a widely available IRF510 MOSFET work on HF 80 40 30 20 ...
Hits: 6966
| Votes: 5 | Rating: 7.4
500W Power Amplifier by Harry Lythall - SM0VPO
By: SM0VPO
Hits: 18927
| Votes: 19 | Rating: 5.62
The 60 Watt linear amplifier is simple all solid state circuit using power mosfet IRF840 ...
Hits: 2222
| Votes: 3 | Rating: 3.67
Schematics plans by K9GDT and all infos to build a 600 Watt HF Amplifier The ...
By: K9GDT
Hits: 70484
| Votes: 128 | Rating: 4.49
A comeplete home made 600W LDMOS RF power amplifier Settings can be made on a ...
By: HG7AN
Hits: 959
| Votes: 1 | Rating: 10
An RF power amplifier providing 7 Watts output in HF bands schematic by ON6MU ...
Hits: 3342
| Votes: 2 | Rating: 5.5
DIY kits a 70W SSB linear Power Amplifier for YAESU FT 817 KX3 running HF ...
By: PD7MAA
Hits: 1616
| Votes: 7 | Rating: 7.15
80m hexfet power amplifier by W7ZOI
Hits: 3713
| Votes: 3 | Rating: 7.67
High-power 3-500 HF linear amplifier by Don Pinnock G3HVA
Hits: 2979
| Votes: 2 | Rating: 9
A lower power desktop linear with integrated 120vac power supply This very compact dual 811 ...
Hits: 1639
| Votes: 2 | Rating: 10
The 20m monoband 4-1000 amplifier, by Jelmer (pa5r), Herman (pa0ten) and Frans (pa5ca)
Hits: 2895
| Votes: 2 | Rating: 9.5
A solid state linear based on EB104 Motorola Engineering Bulletin by Helge Granberg It uses ...
Hits: 1990
| Votes: 3 | Rating: 5.33
A 600W 1 8 MHz to 54 MHz power linear amplifier made using rugged MRF300 ...
By: M0HZH
Hits: 611
| Votes: 6 | Rating: 7.33
A Low Frequency LF RF Power Amplifier by VK5BR it operates in a linear mode ...
Hits: 3318
| Votes: 2 | Rating: 1.5
This compact little amplifier is the brain child of Pat Murdoch ZL1AXB in Auckland New ...
Hits: 32235
| Votes: 28 | Rating: 6.72
A simple RF power amplifier initially designed for 40 meter band can work on 10 ...
By: AC2CZ
Hits: 1643
| Votes: 1 | Rating: 8
This is a power amplifier project for a RF 600W 1 8 MHz to 70 ...
By: PA0NHC
Hits: 109
updated original manuscript article published in January 1989 QST by Richard L Measures AG6K April ...
Hits: 3240
| Votes: 2 | Rating: 10
Ameritron QSK 5 PC mod for AL80B
Hits: 827
Ameritron AL80B AL811H AL572 Amplifier Trouble Shooting. Tubes replacement, resistor changes.
Hits: 1282
| Votes: 4 | Rating: 7.5
Alpha 87A Amplifier Fault 1 and the downlevel amplifier
By: N9ADG
Hits: 182
Alpha 77D,DX,SX, Alpha 76, Alpha 78 and 374 repair service and upgrade kits
Hits: 2695
| Votes: 6 | Rating: 10
The Ameritron AL 1200 Amplifier is in current production In its factory configuration it uses ...
Hits: 2666
| Votes: 2 | Rating: 4
W7TDC modification of the Ameritron AL-80A power amplifier
Hits: 11077
| Votes: 19 | Rating: 6.52
The two linear amplifiers are ment for use with QRP SSB CW FM AM transmitters ...
Hits: 1614
A MRF141G 3-175MHz Broadband Power Amplifier DL4MEA 02/1998
Hits: 1951
Hombrew project to build an HF linear amplifier whose output is 210W for 16W of ...
Hits: 22689
| Votes: 8 | Rating: 6.38
his article explores the construction of a PL519 tube amplifier utilizing Ulrich L Rohde N1UL ...
By: DL1DWG
Hits: 93
An amplifier made using an old HT 41 Hallicrafters Amplifier and adding the 160 meters ...
Hits: 703
| Votes: 2 | Rating: 8
The Dentron DTR2000L is an HF amplifier from the 1980 era It uses a single ...
By: NR7N
Hits: 714
| Votes: 4 | Rating: 9.75
Dentron GLA-1000 Conversion, modification with 4 × PL/EL-519 or 2 × GI-7B
Hits: 1591
| Votes: 2 | Rating: 4.5
How retrofit the MLA 2500 with the Russian GI 7B tube to replace the 8875 ...
Hits: 1887
| Votes: 1 | Rating: 5
Rf amplifier for hf ham radio service includes easy to understand designs and penny cheap ...
Hits: 22729
| Votes: 20 | Rating: 5.4
A Home brew 3-500Z HF Linear Amplifier heavily based on the Ameritron AL-80B
By: VK2FC Glen Millen
Hits: 224
How to build a lightweight amplifier that can be backpacked around.
By: VK3YY
Hits: 1281
| Votes: 1 | Rating: 1
40-80-160 meter band linear amplifier
Hits: 3625
| Votes: 3 | Rating: 7
160-10 Meters 1500 Watt Amp - W4NFR
By: William Moneysmith
Hits: 583
| Votes: 2 | Rating: 9.5
The Heathkit SB 220 two 3 500Z amplifier made a notable impact in the world ...
Hits: 3831
| Votes: 2 | Rating: 5.5
Hits: 2547
| Votes: 9 | Rating: 7.77
Topic regarding a new 1KW HF power amplifier with 2x GI7B
By: YU1OXB
Hits: 1781
| Votes: 3 | Rating: 4
This is the HF Packer amplifier project KG9E was able to build this amp and ...
Hits: 963
| Votes: 3 | Rating: 7
An RF power Amplifier for HF bands with 3 GI-7B tubes by CT1FMS
Hits: 1668
| Votes: 4 | Rating: 6.25
Gi7b is tube designed for microwaves but working good as HF amplifier Idea is to ...
Hits: 4079
| Votes: 12 | Rating: 4.92
HF QRP Linear Amplifier with 2x 2SC2166 2x 2SC1969 Push Pull Transistors 13 8V ...
Hits: 4610
| Votes: 6 | Rating: 4.17
I4FAF etrode Tube Linear Amplifier experience
Hits: 3589
| Votes: 1 | Rating: 10
A Solid State HF Amplifier with 16 mrf150 featuring 2 4 kW 1 8 MHz ...
Hits: 1600
| Votes: 3 | Rating: 7.67
An home made RF Amplifier project that allows near full power output from 813 tubes ...
Hits: 1455
| Votes: 2 | Rating: 6
Grounded grid triode HF linear amplifier with pictures and schematics diagrams by W2DTC The amp ...
Hits: 3275
| Votes: 9 | Rating: 6.33
A picture gallery of a home-brew RF Power amplifier made with 3CX3000
By: W1UUU
Hits: 106
813 Linear Amplifier Project includes many schematics, drawind and assembling construction
Hits: 17506
| Votes: 14 | Rating: 8.13
HF power amplifier project by YB0AH
Hits: 3042
how to modify a Cb linear amplifier to use in HAm HF band
By: Talino iz7ath
Hits: 35057
| Votes: 105 | Rating: 6.43
Infomration schematics and pictures about various hf and vhf QRO linear amplifiers
Hits: 5410
| Votes: 7 | Rating: 4.86
Italian page including pictures schematics diagrams of an home made linear amplifier using four EL509 ...
Hits: 4996
| Votes: 6 | Rating: 3.5
A QST article, hints and kinks on improving the SB-200 amplifier
Hits: 2768
| Votes: 1 | Rating: 1
High Power Solid State 600 Watts Output Motorola MRF 150 FETs
Hits: 4892
| Votes: 15 | Rating: 7.34
Allow 9 bands and 1300 Watt output on the TL 922 amplifier with this document ...
Hits: 2845
| Votes: 9 | Rating: 3.89
L4B by Drake amplifier mod
Hits: 611
| Votes: 1 | Rating: 5
40W Linear Power amplifier with FETs for 80m Some notes about saturation in ferrite and ...
Hits: 3025
| Votes: 2 | Rating: 1.5
This page describes two modifications W8WWV made to his AL 1200 amplifier The mods were ...
Hits: 3052
| Votes: 4 | Rating: 2.75
Picture index of 150W MOSFET linear amplifier for 80m 1996 includes photos and schematics ...
Hits: 17877
| Votes: 24 | Rating: 4.96
1500 Watt HF power amplifier
Hits: 5043
| Votes: 6 | Rating: 3.83
N4ATS Devoted to the Yaesu FL 7000 Amplifier I have been rebuilding repairing and applying ...
By: Steve
Hits: 2255
| Votes: 3 | Rating: 9.33
A solid state amplifier for HF and 6 meters band by N4IP
Hits: 10733
| Votes: 5 | Rating: 9
4CX1500B RF amplifier schematic, working 1.8 MHz to 29.7 MHz
By: DC9DZ
Hits: 926
| Votes: 2 | Rating: 8.5
HF Bands QRP linear amplifier by SM0VPO
By: SM0VPO
Hits: 15491
| Votes: 13 | Rating: 7.85
A document describing the reparing and restoration of an old Heathkit SB 101 power amplifier ...
By: Sivan Toledo
Hits: 329
by Tony I0JX
Hits: 4704
| Votes: 2 | Rating: 9
Robert Norgards KL7FM's, notes on upgrading the Heathkit SB-200
Hits: 1757
| Votes: 2 | Rating: 6
This is a Solid State Amplifier Project It uses 4 MRF150 MosFet Power Transistors The ...
By: W4NFR
Hits: 276
Ten Tec Centurion Mo-Mods by Bob Hutchinson, N5CNN
Hits: 497
Scans of original G2DAF articles on his HF linear amplifier using QY3-125 tube
Hits: 1827
| Votes: 5 | Rating: 3
This Class E RF amplifier will deliver up to 400 watts of RF output ...
Hits: 791
Improvements to Using the Heath SB 200 Linear on Six Meters by Ron Klimas WZ1V ...
Hits: 2890
| Votes: 5 | Rating: 4.2
15-160 meters HF power amplifier
Hits: 3287
| Votes: 4 | Rating: 9.25
Grounded grid, Cathode driven, 3CX3000F7 Triodes
Hits: 2138
| Votes: 3 | Rating: 6.33
Revisiting the WA2EBY broadband HF amplifier
Hits: 2608
| Votes: 2 | Rating: 7
The Yaesu VL-1000 Quadra HF Linear amplifier
Hits: 11300
| Votes: 5 | Rating: 6.2
RF Amplifier project modified the original chassis to use a 4CX1000A instead of a YC156 ...
Hits: 1292
| Votes: 1 | Rating: 6
An HF 10 20m portable RF power amplifier based on the RD16HHF1 FETS giving 25 ...
By: VK3YY
Hits: 605