Power - Triode ·Triode
Tesla coaxial shortwave power triode for RF oscillators, FM broadcast transmitters, television linear amplifiers, and industrial generators. Its 20 kW anode dissipation supports economical operation to about 100 MHz.
The TESLA RD20XL tube is an air-cooled Die TESLA-Rohre RD20XL ist eine luft- coaxial short-wave triode of 20 kW anode gekůhlte, koaxiale Kurzwellentriode : mit dissipation, suitable for use as an oscillator 20 kW Anodenverlustleistung, geeignet zur or RF power amplifier especially in short- Verwendung als Oszillator und Hochfre- wave FM broadcast transmitters, where it guenz-Kraftverstárker, insbesondere n operates economically at freguencies up to Kurzwellen-Rundfunksendern mit Freguenz- 100 Mc/s; it is suitable also for application modulation, wo sie bis zu einer Freguenz as a class B linear amplifier in TV transmit- von 100 MHz wirtschaftlich arbeitet; sehr ters, in industrial generators, etc. gut geeignet ist die Rohre auch zum Einsatz als linearer Klasse-B-Verstiárker in Fernseh- sendern, als Oszillator ín Industriegenera- toren u. a.
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Promoted fields populated from published maximum-ratings/characteristic tables where OCR semantics were unambiguous.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Heater voltage
9.5 V
Nominal or midpoint of published heater range
Heater current
180 A
Nominal or midpoint of published heater range
Maximum anode dissipation
20000 W
Published tube rating
Interelectrode capacitance Ca/g
50 pF
Published source value
Interelectrode capacitance Cg/k
75 pF
Published source value