Diode (NOT rectifier) ·Diode
Coaxial tungsten-filament noise diode designed specifically for RF noise-factor measurements to approximately 2.5 GHz, with roughly 70-ohm characteristic impedance for microwave instrumentation.
Coaxial tungsten-filament noise diode of approximately 70-ohm characteristic impedance for noise-factor measurements to 2.5 GHz.
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
Applicable promoted ratings mapped semantically from the printed approximate-data/ratings tables; useful non-promoted operating, capacitance and service data retained in TUBE_SECTION_PARAMETER.
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.
Characteristic Impedance
70 ohm
Saturated Anode Current Typical
23 mA
Filament Current at 4.7V
3.8 A
Anode Current Maximum
200 mA
Plate Dissipation Convection Maximum
10 W
Plate Dissipation Forced-Air Maximum
40 W
Cathode-Anode Capacitance
4.8 pF
Frequency Maximum
2500 MHz
Filament Voltage Range
0 to 4.7 V
Noise Factor Measurement Range
0 to 24 dB