With about 5 W input the amplifier provides an RF output of about 80 W on 28 MHz rising to about watts on MHz, using a single PL (EL) that had . EL/6KG6. High Performance Beam Power. Tetrode he Svetlana EL/6KG6 is a beam power tetrode intended for use in class A,. AB or B audio amplifiers. EL Substitutes. No information available. EL Ratings. No information available. EL Application Data. No information available. EL Data sheet.
|Published (Last):||2 November 2006|
|PDF File Size:||13.79 Mb|
|ePub File Size:||8.89 Mb|
|Price:||Free* [*Free Regsitration Required]|
Use the procedure in el59 image for correct adjustments. This “one-point-ground” is my improved system, which use a short coax cable of which the outer serves as ground strap.
This was not often seen but I am using the toroids more than 25 years in my home made amplifiers. If, after applying power, the linear does not lift from datasgeet desk, you probably did everything right. A diameter of about 2 cm and a length of 10 cm is satisfactory.
Valves unused for a long time and even new one’s, should be first warmed up by having only the filaments on, with the correct voltage, for half an hour. This method can be used up to frequencies of several MHz without noticeably reducing fundamental power. The coil L1 for the 10—30 m band is made of 2. After band changing, only two capacitors need to be tuned.
EL Datasheet PDF –
This was the basic circuit, however for safety reasons I do not advocate this design for inexperienced home brewers! That is much smaller than the usual air-core coil. Any value of pF and over will suffice. You can choose for a filament voltage of 6. A loaded-circuit Q of 10—12 will meet most requirements regarding efficiency, suppression of harmonics and practical values of C and L.
For a T core, the inner diameter should be 28 mm diameter and the outer diameter 55 mm. PA3CLL, click to enlarges. Valves should be mounted far enough from reflecting metal surfaces, like shiny aluminium partitions.
With about a drive of about 2 W he obtained W output. However, the situation is not that bad. The wirewound resistor 10—50?
EL datasheet,datasheets manu Page:1==Logic IC ==[未知厂家] pdf datenblatt – –
What to do, and why you shouldn’t panic. I never saw this circuit elsewhere, so I presume I am its inventor Both are mounted on a cooling block in the vicinity of the blower. The right datashheet is an example for the calculation of the capacitor in series with 0.
The static input impedance of the cathode in a grounded grid circuit can be calculated if the valve characteristics relating to the specific circuit are known.
Not everyone understand the principle of diriving screen grid voltage from the input signal. The two outer wire ends will go, via capacitors, respectively to earth and, with a datasheey of coax cable, to the input relay.
I added turns to the secondary winding to obtain 12 V instead of 6. The coil L1 can be an air wound one or made with a yellow T toroid. If possible, proceed initially with lowered supply voltage.
If any instability occurs fit a suppressor. In contrast with American sweep tubes they will even function well with anode voltages far in excess of Volts, even with V the valve survived many experiments.
In our case, matching is done with a 4: This wire being tinned, I believe the high skin-resistance helps in preventing parasites. The dynamic input impedance during working conditions is often higher. Only after this last adjustment is full linearity achieved.
EL519 Datasheet PDF
If the amplifier is only for 40, 80 or meters, you can omit L1 and pF. Top clips are difficult to obtain, but transistor-cooling clips are a good alternative. However I got several demands for a simple meter circuit and this is an example.