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A 500 Watt Output 4-400A Linear Amplifier For 600 Meters Related text in page: «A 500 Watt Output 4-400A Linear Amplifier for 600 Meters. First Posted on December 14, ... The 4-400A power amplifier stage is driven by the secondary of the RF ...» W7IUV -2 x 4-400A Amplifier Deck Related text in page: «2 x 4-400A Amplifier Deck. This deck started out many years ago as a class C AM kilowatt. ... 4-400A's are a good choice for a TCGG low cost amp project. ...» 3 x 4-400A 40 meter monoband amplifier Related text in page: «3 x 4-400A project. Like all my amplifier projects, this one started out as a "what if? ... I just wire it up as I go and try to make it look like an amplifier. ...» Tube 4-400A / 8438 / QB4/1100GA / RS 1002 A Related text in page: «Shortwave radio broadcast transmitter tube 4-400A / 8438 / RS 1002 A ... The 4-400A / QB4/1100GA / RS 1002 A is intended for use as amplifier, oscillator or modulator. ...» 4-400A / 8438 Related text in page: «The 4-400A / 8438 Vacuum tube is used as an amplifier, oscillator or modulator. ... Mechanical specifications for the 4-400A / 8438 Vacuum tube: ...» Amplifiers:i1wqrlinkradio.com Related text in page: «Linear Amplifiers for Amateur Radio,Power Amplifier for 144 MHz,KW amateur amplifiers,gs23b,gu74b,gu78b,4cx2500,4cx800,The new Eimac 8877,Highpower» Dual 4-400A Homebrew Linear - Amplifiers Forum at eHam.net Related text in page: «Dual 4-400A Homebrew Linear is a topic in the Amplifiers forum at eHam.net. - eHam.net is a Web site dedicated to ham radio (amateur radio)» Amp For (2) 4-400A Tubes - Amplifiers Forum at eHam.net Related text in page: «Amp For (2) 4-400A Tubes is a topic in the Amplifiers forum at eHam.net. - eHam.net is a Web site dedicated to ham radio (amateur radio)» Amplifier : Technical Reference: Amplifiers: HF Amplifiers Related text in page: «4 x 813's RF Amplifier Deck - This amp project was an exercise in cheap! ... 2 x 4-400A Amplifier Deck - A Class C Amplifier rebuilt with 4-400A tubes by ...» 3 x 4-400A project : Resource detail Related text in page: «3 x 4-400A project ... An RF amplifier project by W7IUV. HF Amplifiers : Technical Reference/Amplifiers/HF Amplifiers. Amateur linear amplifiers. 3 x 4-400A project is ...» Amplifiers Related text in page: «The Amplifier employs the same circuit as used in the 4-400 Amp ... 4-400A in Grounded Grid. The Amplifier on the left was built in 1997 and uses a pair of 4-400's in Grounded ...» GE 4-400A RF POWER AMPLIFIER TUBE - USED - eBay (item ... Related text in page: «eBay: Find GE 4-400A RF POWER AMPLIFIER TUBE - USED in the Electronics , Radios CB, Ham Shortwave , Ham Radio , Tubes category on eBay.» Eimac 4-400A Transmitter Power Amplifier Tube Unused? - eBay ... Related text in page: «eBay: Find Eimac 4-400A Transmitter Power Amplifier Tube Unused? in the Electronics , Radios CB, Ham Shortwave , Ham Radio , Tubes category on eBay.» Amplifier Construction Related text in page: «I had built a 20 meter, push pull, amplifier using 4-400A tubes that worked well but was always a bit ... tubes and followed by the 20 meter amplifier that uses 4-400A tubes. ...» YL3GEG Related text in page: «ON4IQ - 144MHz EME amplifier. OK1KIM 144 MHz - 432 MHz - 1296 MHz - 2,3 - 3,4 - 5,6 GHz ... 4-400, AMPLIFIER 8 X QB4 OR 4-400 tubes 5kw, HF LINEAR AMPLIFIER 6 X ...» HF Ham Radio Surplus For Sale | Used HF Ham Radio Surplus ... Related text in page: «HF Ham Radio Surplus for sale, buy HF Ham Radio Surplus ... LIGHTLY USED PENTA 4-400A TRANSMITTING POWER RF TUBE. 3 $24.50. 14h 19m. EIMAC SK406 CHIMNEY ...» Picasa Web Albums - Chris - speakers etc. Related text in page: «Yamaha M-60 amplifier #4. Yamaha M-60 amplifier #5. Yamaha M-60 amplifier, broken binding ... amplifier #2. Threshold 400A amplifier #3. Threshold 400A amplifier #4 ...» W2DTC RF Amplifier Hotlinks and photos Related text in page: «Links to RF Amplifier sites using the following tubes: 3CPX800, 3CX3000F7, 4-400, 4-1000, 4-1000A, 813, 8877, 3CX1500, GS-35B, GU-43B and YC-156 including these ...» Photos Related text in page: «A homebuilt KW amplifier is to the left, it used a pair of Eimac 4-400A's. ... contests he insisted that I remove one of the 4-400A's tubes from the amplifier. ...» New and used amplifier, Electronics, Musical Instruments on ... Related text in page: «New and used amplifier, Electronics on eBay Canada. Find Musical Instruments, Automotive items at low, discount sale prices!»
 4-400A [PDF file, 232KB] Related text in page: «» + 41 V [PDF file, 43KB] Related text in page: «G1 of 4-400A. amplifier. 4700 uF. 50 V. RF Input from. Starpoint Modem. T1 - Pri = 18 turns 7 x ... RMS = 31 mW @50 Ohms. Amplifier is Class-A. Power output approximately ...» SECTION 5 [PDF file, 366KB] Related text in page: «A single-ended amplifier can also be neutralized by taking the anode ... This circuit differs from the usual RF amplifier circuit in that the. anode by-pass ...» The SKCC Centurion [PDF file, 205KB] Related text in page: «I was given an amplifier basket case last month and thought I. would find someone who ... and I am sure I can sell the 4-400A and apply it towards 3 ...» HF Amplifiers versus AntennasOne Hams Opinion [PDF file, 39KB] Related text in page: «Powering your amplifier through your shack's light switch certainly violates the ... I was seduced by the possibility of a glowing 4-400A transmitting tube, ...» sound1 [PDF file, 52KB] Related text in page: «Electro-Voice AP2600A Power Amplifier. 380 Hub Etchison Parkway, Richmond, Indiana 47374 ... ( 1 ) MS-400A 4-Channel Main Station ( 1 ) RM-400A 4-Channel Remote ...» Overload Protection for High Voltage Power Supplies [PDF file, 1.62MB] Related text in page: «the amplifier can provide full metering and control of a power supply. ... the original push-pull pair of Eimac 4-400A tetrodes on 6 meters. HVPS2 was destroyed by an overload. ...» MichACon Newsletter 10-05 [PDF file, 862KB] Related text in page: «river (no 4-wheel drive at that time), I got on my. 2 meter rig and ... 80 thru 10 meter Linear Amplifier (NICE) [no man- ual] with Single 4-400A final, and large external power ...» TUBE APPLICATIONS & COMPARISONS [PDF file, 42KB] Related text in page: «In an Amateur Radio amplifier, tubes will sometimes require 50-200 ... 3-500Z, 4-400A, 3CX3000A7, and similar tubes of directly heated cathode design have thoriated tungsten ...» ORC News- letter [PDF file, 1.07MB] Related text in page: «Way back in 1969 I received 3 new 3-400Z and. 3 new 4-400A Eimac tubes. I was in an Engi ... Shown is the basic amplifier panel and case. prior to fabrication of ...» Automatic Routine Speeds Power-Supply Calibration [PDF file, 415KB] Related text in page: «amplifier inputs of the ADM1041. The trim removes errors in the exter ... put, as shown in Fig. 4. The reason for. such a large error on the output is that. the ...» AC-1200 MicroAC Technical Specifications Introduction [PDF file, 353KB] Related text in page: «maximum of 4 secondary windings can be configured and controlled for the power current ... The output amplifier has a push-pull MOSFET power stage consisting of 16 parallelled ...» THE BULLSHEET [PDF file, 34KB] Related text in page: «4. Harris model RF-102A HF commercial grade linear amplifier, with ... amp utilizing two 4-400A tetrodes for 2 KW PEP SSB class AB2, 1KW CW. class C operation, ...» Model 400A [PDF file, 8.26MB] Related text in page: «This manual is applicable to Model 400A, Catalog Number 194106 with Serial Numbers ... Different Hydrocarbons.4-2. 4-3. Analyzer Flow System .4-3. 4-4 ...» Billington Export Ltd Catalogue January 2010 [PDF file, 1.04MB] Related text in page: «Horizontal amplifier tubes, known as "linear or sweep tubes" are guaranteed unless ... 4-400A. CHINESE NOS manufacture. Tested and warranty. ( Sockets for ...» Model 400A Hydrocarbon Analyzer [PDF file, 4.67MB] Related text in page: «4-1. System Checkout. . . . . . 4-1. Amplifier Zero Adjustment. ... amplifier is provided with two gain ranges that differ by a factor of 100. ...» ΗΛΕΚΤΡΟΝΙΚΑ ΣΧΕΔΙΑ ΤΟΥ ΠΟΜΠΟΥ [PDF file, 358KB] Related text in page: «AMPLIFIER. R.F AM (4 - 400 TUBE ) 1. 2 Τ Ρ O Φ Ο Δ Ο Τ Ι Κ Ο Υ Ψ Η Λ Η Σ Τ Α Σ Η Σ Π Ο Μ Π ... 4-400A. Power Tetrode. Ενδεικτικές τιμές λειτουργείας: (για τάση ανόδου ...» Click to return to Table of Contents/HomePage. * FINAL TUBE(s ... [PDF file, 37KB] Related text in page: «ADAMS | AEC1010 AMPL | 4-400A | | 1955 | | ADAMS | AEC410 | 811 (2) ... JOHNSON VIKING | 500 (240-500-1)(KIT) | 4-400A | 811A (2) | 1957 ...» RF-NewsLetter-2009-04 [PDF file, 1.07MB] Related text in page: «and ran a pair of 4-400A final tubes in class-C and plate modulated them by a ... for AM. The amplifier part of the transmitter mounted where the file drawers ...» RADIO TRANSMITTERS [PDF file, 3.53MB] Related text in page: «Page 4, paragraph 4. Add the following to. subparagraph g: The matching unit helps in ... POWER AMPLIFIER TUNING control results in. an increase in the P A PLATE meter indication. ...»
 Found image: Two Amplifier Racks jpg [View big image, 245.1KB] Related text in page: «The amplifier in the rack on the right side of the photo is the 600 meter amplifier discussed in this article The amplifier on top of the cabinet in the left of the photo is a»  Found image: Amplifier Front Panel Complete jpg [View big image, 72.4KB] Related text in page: «A view of the front panel of the completed amplifier The glass knob adjusts the PA Tank circuit tuning capacitor The BNC connector under the chrome handle is the Output RF Sample tap»  Found image: Plate Cap Right Oblique View jpg [View big image, 73.7KB] Related text in page: «Looking at the connector from the other side shown the two heat sinks»  Found image: RF Sample Loop and Cable jpg [View big image, 177.6KB] Related text in page: «This view of the RF sample link shows it connected to the small Zip Cord transmission line that goes to the front panel BNC connector for the RF output sample»  Found image: Driver Output Transformer jpg [View big image, 95.8KB] Related text in page: «The RF Driver Output Transformer The transformer was wound with 18 turns consisting of seven parallel twisted together strands of 24 AWG enameled wire for the primary The wire»  Found image: Hot Bottle jpg [View big image, 120.7KB] Related text in page: «The anode of the 4 400A lights up the Hamshack with a pleasant glow»  Found image: Plate Choke Plastic Bracket jpg [View big image, 66.9KB] Related text in page: «This is the bottom plastic insulating bracket that holds the choke lead that connects to the +3200 volt supply»  Found image: Output Link on Tank Coil jpg [View big image, 194.9KB] Related text in page: «RF Amplifier Plate Tank Coil This end view shows the general construction of the coil The gray PVC support pipes have a series of slots about 1 4 deep that were cut into them by»  Found image: Plate Cap Left Oblique View jpg [View big image, 67KB] Related text in page: «The heat sink anode connector was constructed from a length of 1 2 thick 2 x 2 aluminum angle stock Two salvaged heat sinks from an old graphics computer system were attached to»  Found image: PA Tube and RFC jpg [View big image, 157.8KB] Related text in page: «Close up of the tube and RF choke You can see the RTV adhesive bead under the Coleman glass The RF choke is held against the chassis by a screw that passes up through the»  Found image: Screen Regulator VR Tubes jpg [View big image, 123.8KB] Related text in page: «The 4 VR 150 Screen Voltage Regulator tubes are shown in operation The metal cover plate that is normally in place over the top of the power supply was removed for this photo It is»  Found image: Power Supply jpg [View big image, 171.5KB] Related text in page: «A top view of the main power supply with the protective top cover removed From top to bottom at the left the cooling fan the screen dropping resistors the microwave oven high»  Found image: Under Chassis View Overall jpg [View big image, 208.1KB] Related text in page: «Under chassis view of the amplifier deck The front panel of the amplifier is to the left in this photo The back of the three panel meters are seen at the left of the chassis To»  Found image: Dummy Load and Wattmeter jpg [View big image, 145.3KB] Related text in page: «My Bird 43 in line wattmeter is seen hanging from the 1200 Watt Bird dummy load that is mounted on the wall behind the amplifier racks It s out of the way and gets plenty of clean»  Found image: left oblq JPG [View big image, 45.4KB] Related text in page: «Covers on As you can see here the left side of the chassis is covered with a sheet of perforated aluminum All other surfaces are sealed so that the air flow is from right to left across the tubes»  Found image: 3x4 400a in rack JPG [View big image, 35.3KB] Related text in page: «In the rack The finished 40 meter monobander is placed in the rack right above the 4 x 813 amp deck Some day I ll have to finish the detail work on that one But that s another story»  Found image: top rear JPG [View big image, 49.9KB] Related text in page: «Looking from top rear m Along the rear apron left to right RF input AC mains input HV input and RF output Most of my recent amp projects have an AC connector salvaged from old computer power supplies I used»  Found image: top left JPG [View big image, 68.4KB] Related text in page: «Monobanders are really simple to build Here s a photo looking from top left In the upper right is a small filament transformer which provides the DC center tap for the cathode return The 0 25KVA filament transformer is just below it The diode string provides a»  Found image: amp gif [View big image, 12.5KB] Related text in page: «4 400A HF AB1 555W From brochure the by Eimac TYPICAL CATHODE DRIVEN GROUNDED GRID AMPLIFIER CIRCUIT FOR TWO 3 500Z TUBES»  Found image: K5ETJSTA1966 full crop 0 07 0 36 0 99 0 83 jpg [View big image, 23.5KB] Related text in page: «============================================================= circa 1964 Hallicrafters HT 37 transmitter National NC 300 receiver home brew amplifier with a pair of 4 400A s in grounded grid Heathkit scope home brew keyer and paddle The antenna»
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