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Suggestions of best 811A tubes for use in AL-811?.
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ZS5WC
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6
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1019
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February 22, 2019, 04:02:04 PM
by WY7CHY
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Yeasu FL-1000 converted to 6m ?
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ZS5WC
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8
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299
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February 22, 2023, 01:04:18 PM
by VE7RF
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Modify MLA-2500b for tuned input?.
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ZS5WC
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6
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3852
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September 28, 2011, 09:28:41 AM
by ZS5WC
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OLD Yaesu FL-1000 problems
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ZS5WC
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10
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8424
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February 05, 2014, 10:21:28 PM
by ZS5WC
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Testing RF Power Tube Filaments using DC.
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ZS5WC
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55
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2129
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September 02, 2019, 04:55:07 AM
by KM4AH
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SPE Expert 1K-FA quiescent bias?.
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ZS5WC
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21
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8956
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January 28, 2017, 04:59:50 AM
by ZS5WC
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Multiple rigs to Linear Selector Unit?
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ZS5WC
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6
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5178
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May 21, 2014, 06:47:51 AM
by WE1X
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4cx250b HF linear Schematics
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ZS5WC
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16
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31272
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September 02, 2011, 04:57:14 AM
by ZS5WC
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Two 8875 tubes cathode drive impedance in MLA2500
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ZS5WC
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5
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7881
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October 02, 2011, 07:00:24 AM
by K9FV
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Gutted TLL-922 on 6m-want to convert back to HF?.
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ZS5WC
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10
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7270
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March 27, 2014, 12:17:40 AM
by ZS5WC
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AL-80B not showing plate current .. Output 100%
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ZS6ARF
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8
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2921
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October 11, 2009, 05:59:29 PM
by KG6YV
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TONO 2M-190G - low output
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ZS6ARF
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1
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3170
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March 01, 2008, 07:37:43 AM
by KA5N
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AMERITRON AL -80B: POSITION OF POINTERS
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ZS6ARF
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2
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1753
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September 19, 2009, 03:48:51 AM
by ZS6ARF
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AL-811 Meter not showing Grid Current
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ZS6ARF
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7
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3207
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November 30, 2004, 06:20:47 PM
by WB9TEV
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High-level RF processing !
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ZS6BIM
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18
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8545
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April 04, 2012, 09:16:57 AM
by AD4U
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Amplifier Efficiency >100% What do you think?
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ZS6BIM
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22
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10299
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February 20, 2012, 04:37:31 AM
by W5DXP
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How fast do ALC loops react?
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ZS6BIM
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24
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22405
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April 07, 2012, 04:56:57 AM
by M0HCN
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Fisher FE 40 430-440MHz amplifier?
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ZS6DX
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1
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4518
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June 25, 2014, 08:12:16 PM
by KM3F
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RF valve amplifier with led bar graphs similar to alpha
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ZS6SAM
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2
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3540
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September 04, 2011, 11:55:22 AM
by ZS6SAM
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Frontier Electric Super 3500LA Linear amplifier schematic or manual
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ZS6TF
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1
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5951
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May 19, 2014, 12:04:05 PM
by W9GB
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Locked Topic
Sticky Topic