Remember, this data is the very conservative military data for use at uhf and not anything like the commercial specifications you expect to see from a manufacturer of tubes you will find in commercial service. In a few cases, when the 1966 edition omitted graphics on obsolete tubes, i inserted scans from the 1948 ginkins reference book. The data provided here is graciously provided by g4hba who is intending to build. The underscore and these letters are not part of the tube type number. If you do not understand highvoltage safety procedures do not attempt to build a tube amplifier. Df6na datasheets gs 1b similar to gs35 but smaller cooler same as gs 31b metalceramic transmitting triode for up to mhz similar but smaller power. The gs31b and gs35b triodes are two of a family of russian tubes that have. How a valve amplifier works and the major parts involved. You can use the search to find service types or go to the service type lists that you can access from the page more tube related stuff.
For example, for this gs31b amplifier, assuming 50% efficiency 2kw input and designed for 1kw output with 2. W4zt socket this is my gs35b tube socket or mounting fixture design. I had a gs31b laying around waiting for my urge to build another amp. Published excel spread sheet for q factor and overall antenna quality figure of merit. Note i have learned an important lesson with this jig. The plate dissipation of 1,000 watts was a minimal conservative rating for this tube in service above 800 mhz. The gs35b is a forced air cooled triode with a maximum plate dissipation of 2kw. Electron tube data sheets electron tube data sheets. Click on the picture to see the details of the construction. Electron tube data sheets electron tube data sheets, valve, tube, electron tube, vacuum tube, diode, triode, tetrode, pentode, hexode, heptode, octode, enneode. Please see the note above for a better idea of what you can do with this tube. Created as an exclusive benefit for gs1 us members with gs1 usissued company prefix who want to create, manage and share gs1compliant barcodes, gtins, and.
View and download allied telesis at gs95016 user manual online. Home brew gs31b hf linear amplifier july 22, 20 on vimeo. On the other hand the triode board costs more than the cheap russian tube i am protecting. First prize for advanced home brew competition serg convention june 8, 2008. The following list shows the tube types i have entered in my database, with exception of the service types e. This is a short video i took when testing my gs31b hf amplifier.
View online or download tic gs3 owners manual, instruction manual. Home brew gs31b hf linear amplifier this is my first post on this forum and i thought i would share my gs31b linear and perhaps ask a few questions as well since there seems to be some builders on this forum with quite a bit of experience using the russian triodes. However, this time i want to try a little different approach. To put item to basket click on the basket picture or price. Rf oscillation and amplification up to mhz in continous mode. Some datasheets are only one page 3050k, some are 810 pages 300k and more. Eimac tube sockets and chimneys for 8877 3cx1500a7 3cpx1500a7 3cx800a7. There are also various formatting and spelling changes throughout this section. In radiofrequency amplifier pentodes, the suppressor permits of obtaining a high voltage amplification at moderate values of plate voltage.
Tube type list the following list shows the tube types i have entered in my database, with exception of the service types e. The rf deck is made very simply from sheet aluminium panels and 15mm angle aluminium. Why not build a monitoring system that can be viewed from a laptop and the band switch could also be controlled from the gui. Fixed data length 14 digits encodes with an implied check digit ai 01 is implied no quiet zones required however left most element is a space 74x wide, 10x high limited to gtin12, gtin and gtin14 with indicator digit 1. I make and sell sockets, ptfe chimneys and bias boards. If i was using an expensive eimac 3cx1500 id certainly use a triode board. The attribute mapping has been moved to a supporting spreadsheet accessible from within this guide. Gs35b hf linear amplifier having been successful with my 8 amplifier i have now decided to take things up a gear and build something even more powerful. The filament alone heats the entire bottom of this tube and even with the fan blowing air into the box, the bottom of the tube will get too hot to hold in your hand.
It still needs a few finishing touches like labeling all the leds, rescaling the voltage scale on the plate meter, and machining ventilation holes in the lid so i can operate it safely. You can also exceed the rated anode voltage specification of 3,000 volts to as much as 4,000 volts. Unfortunately, with the tubes i have i only got very limited information, and i am now looking for a full data sheet for this tube and application information if it exists. Tube tester and filament burn in jigheres my answer to cooking the tubes for days and then testing them before inserting them in an amp. Mutual conductance at anode voltage 2 kv, grid voltage 1 v and anode current 250. It virtually eliminates the stray inductance in the grid circuit. Another spot to look, which is especially useful if youre looking for replacement types and tubes with similar bases or characteristics, is the nj7p tube database. Leveraging gdsn for the fda global unique device identifier database gudid implementation guideline implementation guide for using the gdsn to populate the u. Tell a friend tell someone you know about this product. This is done in case of equal tube type numbers for different tubes. Fda global unique device identifier database gudid. The gs31b triode fulfills generation and amplification functions in groundedgrid circuits in continuous wave operation in the decimetric and metric wavelength ranges. I have written this book with help from my good friend val gardner and my wife gwen mogwa.
Fixed data length 14 digits encodes with an implied check digit ai 01 is implied no quiet zones required however left most element is a space 74x wide, 10x high limited to gtin12, gtin and gtin14 with indicator digit 1 only no other number can be used as an indicator digit. The technical data is contained in the highresolution color scans of over 20 original catalogs from 1958 to 1963. First calculate the value of your tube rf load impedance near enough from rl 1. In addition to the data i have scanned and posted, if youre looking for data on a particular tube you should visit tsdl on duncanamps website, or franks tube data. Any power amplifier needs several levels of protection.
Df6na datasheets gs35b also gs7b metalceramic transmitting power triode at frequencies up to mhz. Gs35b gs35b russian triode tube,socket and teflon chimney. With almost datasheets and the visitor counter indicates over 4000. Vacuum tubes, sockets, capacitors, nixie and electron tube accessories. This subscriptionbased tool gives you access to the gs1 us product database, a listing of over 27 million products created directly by the brand owners, containing gs1compliant u. Description, data entry notes, edit rules after grace period, required. The gs35b is a forced air cooled triode with a maximum plate dissipation of 2kw and a maximum usable frequency of 1 ghz. This is my first post on this forum and i thought i would share my gs31b linear and perhaps ask a few questions as well since there seems to be some builders on this forum with quite a bit of experience using the russian triodes. The tool where brand owners and product data users connect to create, manage, and share trusted product data. Ham radio tubes vacuum tubes, capacitors, nixie tubes, sockets. The so called specification sheet for the gs31bgs35b was provided. Long term research in reproductive physiology and studies on embryo development have resulted in the most advanced ivf media products available. Oscillation uhf power up to 360w,up to 1070mhz in special equipment.
Jul 14, 2014 40 years ago the bar code fundamentally changed retail. The removable bolt on copper cooler heat sink is a great idea and makes spare tubes very reasonable. Use of this tube in the spectrum occupied by the amateur bands 160 meters through 70 centimeters was never specified nor measured. Its a question of design decisions balanced against cost and risks. All changes are in red text and highlighted in yellow. The gs36b tetrode is designed for power amplification in distributedgain amplifiers and singlesideband signal amplifiers at frequencies up to 75 mhz, and for power amplification at up to 500 mhz in rf equipment. The factory was manufacturing the tube in such a manner as to. The material used is alluminium plate 1 inch thick, and brass sheet about 1. Using gs1 standards within structured data youtube.
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