. QST . TYPICAL OPERATION 4X250B Radial- Beom Powe Tetrode (Frequencies o 175mc per tube) Class-C CW Class ABi or FM Phone RF Linear D-C Plote Voltage 2000v 2000V D-C Screen Voltoge 250v 350v D-C Grid Voltage -90v -50v 0-C Plate Current 250nia 250mQ* Zero Sig D-C Plate Current lOOma D-C Screen Current 25ma 15ma* Peck Rf Grid Voltag e llSv 50v* Driving Power Ow Plate Power Input 500w 500w* Plate Power Output 41 Ow 325w* */v\ax Signal An Eimac air system socket with built-inscreen by-pass condenser provides opti-mum amplifier circuit stability and cool-ing arrangements for the 4X250B. EITEL
. QST . TYPICAL OPERATION 4X250B Radial- Beom Powe Tetrode (Frequencies o 175mc per tube) Class-C CW Class ABi or FM Phone RF Linear D-C Plote Voltage 2000v 2000V D-C Screen Voltoge 250v 350v D-C Grid Voltage -90v -50v 0-C Plate Current 250nia 250mQ* Zero Sig D-C Plate Current lOOma D-C Screen Current 25ma 15ma* Peck Rf Grid Voltag e llSv 50v* Driving Power Ow Plate Power Input 500w 500w* Plate Power Output 41 Ow 325w* */v\ax Signal An Eimac air system socket with built-inscreen by-pass condenser provides opti-mum amplifier circuit stability and cool-ing arrangements for the 4X250B. EITEL-McCULLOUGI SAN BRUNO •CALIF 1, INC. O R N I A 89 M O D U LATI O N S PLATT E R CHOKES. ,The new Triad 100 mil Splatter Chokeminimizes splatter caused by over-drivenmodulators and audio distortion. Idealfor mobile operation or other low powerapplications. Multiple taps provide vari-ous inductance values. Small, light-weight, insulated for high voltages,Climatite treated and ruggedly builtfor long, trouble-free use. TRIAD C-36X
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
