HF AMPLIFIER
- G.G. A falcon (UA6CL) Amplifier with gu74b
- G.G. A falcon (UA6CL) Amplifier with gu78b
- A. TARASOV (UT2FW) Amplifier with gu74b
- A. TARASOV (UT2FW) Amplifier with 2x gu74b
- V.Kotel'va (UA9FAD) EME 2 Meters 2x GU34B
- (UA1ZCL) EME 2 Meters GU35B
- (UA1OJ) 2 Meters GU7B
- W6SAI Linear amplifier 2 meter with 3cx1500
- DL4MEA Linear amplifier 2 meter with GS35b
- CLANK HF Linear amplifier with 2 3-500Z
- SM5BSZ Building High Power Amplifiers page
- How To Run Your (Tube Type - Ed.) Linear (975,720 bytes, PDF file)
QST November 1962, pp. 11-14
What it can do and what it shouldn't do.- A Single 6146 Amplifier (one 6146, 70-90 watts) (1,392,201 bytes, PDF file)
ARRL Handbook 1959, pp. 196-198- An All-Purpose 813 Amplifier (one 813) (1,244,174 bytes, PDF file)
ARRL Handbook 1959, pp. 199-201- A Medium-Power Tetrode Amplifier (one 7094) (1,224,597 bytes, PDF file)
ARRL Handbook 1959, pp. 202-204- A Compact 650-Watt Amplifier (two 4X250B) (2,091,734 bytes, PDF file)
ARRL Handbook 1959, pp. 205-209- 4-250-A's in a 1-Kw. Final (two 4-250A) (2,648,850 bytes, PDF file)
ARRL Handbook 1959, pp. 210-214- A High-Power grounded-Grid Amplifier and Power Supply (one 3-1000Z) (2,139,553 bytes, PDF file)
ARRL Handbook 1968, pp. 199-204- One-Band Kilowatt Amplifiers (two 813) (1,25/8,687 bytes, PDF file)
ARRL Handbook 1968, pp. 195-198- A Compact 3-400Z Grounded-Grid Amplifier (one 3-400Z) (1,308,857 bytes, PDF file)
ARRL Handbook 1968, pp. 191-194- An 811-A 200-Watt Grounded-Grid Linear Amplifier (one 811-A) (1,179,474 bytes, PDF file)
ARRL Handbook 1968, pp. 187-190- Using 2 3-500ZS In grounded Grid (1,351,014 bytes, PDF file)
ARRL Handbook 1971, pp. 201-204- A One-Kilowatt Amplifier Using A 3-500Z (675,237 bytes, PDF file)
ARRL Handbook 1972, pp. 182-186- The SS-2000 Amplifier (one 3-1000Z) (1,477,098 bytes, PDF file)
ARRL Handbook 1972, pp. 178-182- A Sweep-Tube Linear Amplifier (four 6KD6) (1,201,283 bytes, PDF file)
ARRL Handbook 1972, pp. 176-178- A 160-Meter Amplifier (two 572-B) (1,111,682 bytes, PDF file)
ARRL Handbook 1978, pp. 184-186- A Conduction-Cooled Two-Kilowatt Amplifier (two 8873) (1,943,097 bytes, PDF file)
ARRL Handbook 1978, pp. 186-190- A Two-Kilowatt Amplifier Using the Eimac 8877 Triode (one 8877 or 3CX1500) (2,080,841 bytes, PDF file)
ARRL Handbook 1978, pp. 190-195- 1500-W-Output Amplifier for 160 Meters (3CX1500A7) (1,450,439 bytes, PDF file)
ARRL Handbook 1990, pp. 30-46 to 30-49- A Legal-Limit Amplifier for 160 through 10 Meters (8877) (3,168,225 bytes, PDF file)
ARRL Handbook 1990, pp. 30-50 to 30-57- A 160- to 10-Meter Amplifier Using the 3CX1200A7 (2,080,071 bytes, PDF file)
ARRL Handbook 1990, pp. 30-58 to 30-63- The LKA-1 Linear Amplifier (two 4CX250B) (3,005,289 bytes, PDF file)
QST June 1975, pp. 39-43, 158- A Table-Top Half Kilowatt (two 811A) (3,111,439 bytes, PDF file)
QST January 1960, pp. 24-27, 156, 158- The RCC 230-L Amplifier (two 807s, 230 watts) (3,209,186 bytes, PDF file)
QST February 1963, pp. 29-32Commercial Schematics:
Kenwood TL922 Kenwood TL922 shematics
YAESU FL 2100 Yesu FL2100 shematics
Home made QRO linear amplifier by I5UXJ
Very best commercial linear amplifier
