Entering 299C Tubes
When 299C is selected as the calculation model, selecting a part category of Miscellaneous and a subcategory of Tube causes parameters to appear in the Prediction Data pane.
The following table describes the part parameters required for tubes when 299C is the model and the selected part category/subcategory is Miscellaneous/Tube.
Parameter
Type
Description
Quality Level
Choice List [Parts Count also]
The appropriate quality screening level of the device. Accepted quality levels and values for tubes follow.
A1 = 0.30
A2 = 0.05
B = 1.00
C = 4.00
Tube Type
Choice List [Parts Count also]
The type of tube. Many different choices are available.
Power
Real [Watts]
Required only for the following tube types: Continuous Wave Klystron (CW) Tube; Magnetron: Coaxial Pulsed; Magnetron: Conventional Pulsed; Pulsed Klystron; and Traveling Wave Tube.
The rated peak power of the device. This parameter is used in conjunction with Units to enter the peak power value.
Power Units
Choice List
Required only for the following tube types: Continuous Wave Klystron (CW) Tube; Magnetron: Coaxial Pulsed; Magnetron: Conventional Pulsed; Pulsed Klystron; and Traveling Wave Tube.
The units for the Power value. Choices are:
w
Kw
Mw
Frequency
Real (Hertz)
Required only for the following tube types: Magnetron: Coaxial Pulsed; Magnetron: Conventional Pulsed; Pulsed Klystron; and Traveling Wave Tube.
The operating frequency of the tube in gigahertz.
Frequency Units
Choice List
Required only for the following tube types: Magnetron: Coaxial Pulsed; Magnetron: Conventional Pulsed; Pulsed Klystron; and Traveling Wave Tube.
The units for the Frequency value. Choices are:
Hz
KHz
MHz
GHz
Radiate Hrs/Filament Hrs (%)
Real
Required only for the following tube types: Magnetron: Coaxial Pulsed; and Magnetron: Continuous.
The utilization frequency ratio of the magnetron. The equation is:
Radiate Hours / Filament Hours * 100
Learning Factor
Choice List [Parts Count also]
Not required for the Magnetron tube types and the Traveling Wave Tube.
The production level for the device. Choices are:
Stable
No Quality Control
New in Production