Data set 01
1962 Eimac
Published operating points and test conditions from this source.
Tetrode
Other
The EIMAC
0 a
The EIMAC 4CX40,000G is a ceramic/metal power P
ratings up to
220 MHz
ratings up to 220 MHz.
Current, o
170 volts
Current, o 15 .0 volts s o e . . , 170 A
DC SCREEN VOLTAGE
2000 VOLTS
DC SCREEN VOLTAGE 2000 VOLTS
DC GRID VOLTAGE
440 VOLTS
DC GRID VOLTAGE -1000 VOLTS Screen Current 440 mAdc
DC PLATE CURRENT
10 AMPERES
DC PLATE CURRENT 10 AMPERES
PLATE DISS
40 KILOWATTS
PLATE DISS1PATION 40 KILOWATTS
SCREEN DISSIPATION
60 WATTS
SCREEN DISSIPATION 1500 WATTS Usetul Power Qutput 2 60 kW
GRID DISSIPATION
1000 WATTS
GRID DISSIPATION 1000 WATTS
obtained principally by means of a grid resistor, the resistor mus! be adjustable
1 a
obtained principally by means of a grid resistor, the resistor mus! be adjustable 1o produce the required bias
practice to add a
15 a
practice to add a 15% safety factor to the indicated air flow, and allow for variables
two-minute period,
1 a
two-minute period, 1f a step-start sequence is used the initial voltage applied
tube instantaneously. If the power failure exceeds
60 seconds
tube instantaneously. If the power failure exceeds 60 seconds, the programmed
FILAMENT OPERATION - The rated nominal filament voltage for the tube is
150 volts
FILAMENT OPERATION - The rated nominal filament voltage for the tube is 15,0 volts,
to rise above the rated maximum during brief periods (
10 seconds
to rise above the rated maximum during brief periods (10 seconds maximum) such as
GRID OPERATION - The control grid has a maximum dissipation rating of
1000 a
GRID OPERATION - The control grid has a maximum dissipation rating of 1000 watts,
Lo A . AIRFLOW: BASE TQ ANODE- ;,;_:‘
3 A
Lo A . AIRFLOW: BASE TQ ANODE- ;,;_:‘- 3
T TTTITTITTITTT T INLET]AIR TEMPERATURE
35 °c
T TTTITTITTITTT T INLET]AIR TEMPERATURE: 35°c
A AXIM CORE TEMPERATURE;
250 A
A AXIM CORE TEMPERATURE; 250°C. -
FI =
110 MHz
FI = 110 MHz
egk/ib =
2 a
egk/ib = 17 »; ic2: === 2.0 a
egk/ib =
5 a
egk/ib = 27 a; fc2: -=- 5.0 a
etd/
100 a
etd/1b = 100 a
(gnd.cath.connectlon) Cout
43 pF
(gnd.cath.connectlon) Cout: 33 43 pF
Cgp: =—
2 pF
Cgp: =—- 2.0 pF
(gnd.grid connection) Cout
45 pF
(gnd.grid connection) Cout: 35 45 pF
Cpk: ===
0.5 pF
Cpk: === 0.5 pF
and maintain this value for
120 seconds
and maintain this value for 120 seconds.
design value for each rating below the
60 seconds
design value for each rating below the 60 seconds the full operating voltage may be
factor so that the absolute values wil! never ure exceeds
60 seconds
factor so that the absolute values wil! never ure exceeds 60 seconds, the programmed warmup
over
120 seconds
over 120 seconds. This can be accomp!ished by
based on
8 °C
based on 2 maximum tube temperature of 225°C 8. In addition to the normal plate over-current
and a cooling air temperature of
35 a
and a cooling air temperature of 35°C, with interlock, screen current interlock, and air-
Cooling of the base requires a minimum of
100 a
Cooling of the base requires a minimum of 100 intact if the criteria is met.
cfm of air (at a maximum temperature of
35 a
cfm of air (at a maximum temperature of 35°C)
quency. d
300 MHz
. quency. d 300 MHz most t il
mechanical, shall be
1 A
mechanical, shall be 1%. A tube having 1 or