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Home » Statistics » Most Popular Queries » The catalogue of ham radio resources from popular websites related to the keyword: 4-400a amplifier |
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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. This one has worked out so well, the design has been stable for many years. The only mod ...» 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? ... Although I could get 1500 watts out with the pair of 4-400A's, it took a lot of drive at the anode voltage I was running. ...» Amplifier : Technical Reference: Amplifiers: HF Amplifiers Related text in page: «2 x 4-400A Amplifier Deck - A Class C Amplifier rebuilt with 4-400A tubes by W7IUV ... 4 x 813's RF Amplifier Deck - This amp project was an exercise in cheap! The design criteria was to use only components in the JUNQUE BOX [Hits: 4579 | Votes: 12 ...» 4-400A | New Tube Company Related text in page: «The 4-400A / 8438 Vacuum tube is used as an amplifier, oscillator or modulator. ... specifications for the 4-400A / 8438 Vacuum tube: Filament Oxide ...» Amplifiers:i1wqrlinkradio Related text in page: «Linear Amplifiers for Amateur Radio,Power Amplifier for 144 MHz,KW amateur amplifiers,gs23b,gu74b,gu78b W2DTC RF Amplifier Hotlinks and photos Related text in page: «Links to Amateur Radio 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 builders: YU7BCD Radio Club, W2DTC, PA0FRI, VE6FI, W7IUV, W6JFR,» 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 unstable during tune ups. ... The following photos are of the 6 meter amplifier which uses 3-500Z tubes and followed by the 20 meter amplifier that uses 4-400A tubes. ...» Tube 4-400A / 8438 / QB4/1100GA / RS 1002 A Related text in page: «The 4-400A / QB4/1100GA / RS 1002 A is intended for use as amplifier, oscillator or modulator. ... The 4-400A / QB4/1100GA / RS 1002 A is cooled by radiation from the plate and by circulation of forced-air through the base, around the envelope, and over the plate seal. ...» Amplifiers Related text in page: «4-400A in Grounded Grid. The Amplifier on the left was built in 1997 and uses a pair of 4-400's in Grounded Grid. The circuit was taken from William Orr's Radio Handbook, 17th Edition of 1969 and works quite well with 3 - 4KV on the plates. RF Deck of 4-400 Amplifier ...» linear amplifier - YO2LMA Related text in page: «A 500 Watt Output 4-400A Linear Amplifier for 600 Meters ... 2 X QB4 SIMILAR 4-400, AMPLIFIER 8 X QB4 OR 4-400 tubes 5kw, HF LINEAR AMPLIFIER 6 X QB4 OR 4-400 TUBES, 4KW HF LINEAR AMPLIFIER ( 2 X GU84B ), VHF LINEAR AMPLIFIER 1Kw 2 X 4CX250 PUSH ...» 1000a 101-140 - Nutrition - Product Reviews, Compare Prices ... Related text in page: «Related Searches: 3 500z, 4pr1000a, 4 400a, Linear amplifier, 4cx250b more " ... Related Searches: 3 500z, 4pr1000a, 4 400a, Linear amplifier, 4cx250b, Eimac, 3 500zg, 4 1000 tube, Roadmaster wagon, 4d32, 4 1000, 3 400z " less ...» Lastest dvb amplifier supply information,china dvb amplifier ... Related text in page: «China dvb amplifier catalog and dvb amplifier manufacturer directory. Trade platform for China dvb amplifier manufacturers and ... 4 channel bridgeable amplifier. 4 gauge amplifier kit. 4 gauge amplifier wiring kit. 4 port hdtv drop amplifier. 4 way distribution amplifier. 4-400a amplifier. 40 watt pa ...» 4-400A/8438 Amperex Tetrode - Richardson Electronics Ltd Related text in page: «Tetrodes ... The 4-400A/8438 is primarily used in broadcast applications. Amperex is a leading brand of power grid tubes and magnetrons covering a wide range of applications including broadcast, industrial and scientific. ...» YL3GEG Related text in page: «2 X QB4 SIMILAR 4-400, AMPLIFIER 8 X QB4 OR 4-400 tubes 5kw, HF LINEAR AMPLIFIER 6 X QB4 OR 4-400 TUBES, 4KW HF LINEAR AMPLIFIER ( 2 X GU84B ), VHF LINEAR AMPLIFIER 1Kw 2 X 4CX250 PUSH ... Amplifier. WD7S DUAL 8877 AUTO-TUNE HF AMPLIFIER. W7IUV -2 x 4-400A Amplifier Deck. W7IUV -4 x 813's Amplifier ...»
20 20 23 11 20 20 14 Related text in document: «4. 8. 9. 19. Plate Voltage. Filament. Fans .002. 6 KV .002. 6 KV. 1000 pF. C2. T1. V1. T2. 1.65 mHy ... V1 - 4-250 or 4-400A. 500 mA .01. 1 KV. 0.51. Ohms. 500 KHz RF Power Amplifier. by W5JGV. 13 Dec ...» sound1 Related text in document: «( 1 ) MS-400A 4-Channel Main Station ( 1 ) RM-400A 4-Channel Remote Station (10) Beyer ... Belt Packs - PUBLIC / BACKSTAGE PAGING & MONITORING - Rane MA-6 Power Amplifier. Paging ...» HF Amplifiers versus AntennasOne Hams Opinion Related text in document: «If your amplifier budget is modest, a small solid-state or single-tube amplifier will boost your 100-W barefoot signal to about 500 ... I was seduced by the possibility of a glowing 4-400A transmitting tube, ...» Click to return to Table of Contents/HomePage. * FINAL TUBE(s ... Related text in document: «HEATHKIT | CHIPPEWA KL1 AMPL | 4-400A (2) | | 1960 | | HEATHKIT | DX100 AM/CW XMTR | 6146 ... JOHNSON VIKING | THUNDERBOLT240-353-1 | 4-400A (2) | | 1958 ...» SECTION 5 Related text in document: «A single-ended amplifier can also be neutralized by taking the anode ... or push-pull grid excited amplifier with grounded. cathode is shown in ...» TUBE APPLICATIONS & COMPARISONS Related text in document: «Some amplifier. model numbers are chosen for sales reasons and do not reflect the amplifier's true power capability. As with ... 3-500Z, 4-400A, 3CX3000A7, and similar tubes of directly heated cathode design have thoriated tungsten filaments. During operation, the thorium migrates to the surface ...» The SKCC Centurion Related text in document: «Now I've set my mind to doing the HF tube amplifier, but have ... Since Tetrodes, which the 4-400A. is, don't do to well in GG circuits for RF amplifiers, what. about a 3-500Z? ...» THE BULLSHEET Related text in document: «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, and 750 watts AM with class AB2. ...» HARBACH ELECTRONICS/PETER W. DAHL AMATEUR TRANSFORMER DATABASE Related text in document: «DM) HT = 4.250 WT = 5.250 DT = 4.375 MD = 3.500 MW = 4.375 WEIGHT) 19 LBS ... HEATH KL-1 FILAMENT XFMR PAIR 4-400A'S ** REWIND ONLY ** CORE) EI-125 X 2" 29GA M6RH6 ...» RADIO TRANSMITTERS Related text in document: «Page 4, paragraph 4. Add the following to. subparagraph g: The matching unit helps in ... (3) Set the POWER AMPLIFIER LOADING control. to about 28 on the indicator dial; this is ...» MichACon Newsletter 10-05 Related text in document: «river (no 4-wheel drive at that time), I got on my. 2 meter rig and gave a Mayday on 85. ... Homebrew 80 thru 10 meter Linear Amplifier (NICE) [no man- ual] with Single 4-400A final, and large external power supply. 2600 ...» ORC News- letter Related text in document: «try for 3 or 4 this year, etc., etc. And if you. didn't operate at all ... Amplifier Project. De Chuck Curran (WA9POU) Way back in 1969 I received 3 new 3-400Z and. 3 new 4-400A Eimac ...» Overload Protection for High Voltage Power Supplies Related text in document: «always results in an amplifier with limited capabilities for 100% duty ... the original push-pull pair of Eimac 4-400A tetrodes on 6 meters. HVPS2 was destroyed by ...» Automatic Routine Speeds Power-Supply Calibration Related text in document: «400 to 4,400A. Surge currents from. 7,000 to 60,000A. I. 2. t from 170 to. 14,900 kA. 2. s. SCR Capsules. 400 to 3,000 ... the controller's amplifier. can achieve output-voltage resolution. of 12 mV (0.1%). Generally, this is ...» page 1 of 4 Related text in document: «CLAMP-400A/0,4-40A/0,4V-AC
 Found image: Amplifier Front Panel Complete jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: Plate Cap Right Oblique View jpg Related text in page: «Looking at the connector from the other side shown the two heat sinks» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: RF Sample Loop and Cable jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: Driver Output Transformer jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: Hot Bottle jpg Related text in page: «The anode of the 4 400A lights up the Hamshack with a pleasant glow» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: Output Link on Tank Coil jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: Plate Cap Left Oblique View jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: PA Tube and RFC jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: Screen Regulator VR Tubes jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: Power Supply jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: Under Chassis View Overall jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: Dummy Load and Wattmeter jpg 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» Source: http://w5jgv.com/4-400A_600M_amplifier  Found image: left oblq JPG 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» Source: http://w7iuv.com/3_x_4-400A.html  Found image: 3x4 400a in rack JPG 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» Source: http://w7iuv.com/3_x_4-400A.html  Found image: top rear JPG 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» Source: http://w7iuv.com/3_x_4-400A.html
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