Voltage - Triode (under 100V) ·Triode-Triode
Very-low-current directly heated electrometer triode for electrochemical, ionization, X-ray, and low-light measurements requiring extremely small input-current detection.
Very-low-current directly heated electrometer triode for electrochemical, ionization, X-ray, and low-light measurements.
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.
2 physical sections, each with unique specifications.
Section 1
Oscillator unit in integrated 1090-MHz assembly.
Section 2
No fixed ratings are recorded for this section.
Amplifier unit in integrated 1090-MHz assembly.
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.
Filament voltage
0.5 to 0.7 V
DirectlyHeated
Maximum anode voltage
4 V
Grid bias
-2.5 V
Electrometer
Transconductance
28 uS
Electrometer
Amplification factor
0.5
Electrometer
First-grid current
<10^-9 A
Electrometer; OCR exponent uncertain in source scan
Data set 02
Published operating points and test conditions from this source.
HeaterOrFilamentVoltage
0.7 V
HeaterOrFilamentCurrent
300 mA
Plate Voltage
4 V
Electrometer
Grid Voltage
-2.5 V
Electrometer
GridCurrentMaximum
0.00000000001 mA
Electrometer
Data set 03
Published operating points and test conditions from this source.
Filament voltage approximate
0.7 V
Filament current
600 mA
Grid current
0.00000000001 mA
Positive grid current commencement voltage
-1.3 V
Anode voltage operating
4 V
Anode voltage maximum
6 V
Application
Electrometer / ionization / X-ray / low-light current measurement
Data set 04
Published operating points and test conditions from this source.
Heater/filament voltage
6.3 V
Heater/filament current
660 mA
Operating frequency
1090 MHz
Oscillator
Maximum DC plate voltage
1100 V
Oscillator
Peak heater-cathode voltage
60 V
Oscillator
Duty factor maximum
0.01
LongTerm
Pulse duration
0.45 us
Typical
Peak oscillator grid current
500 mA
Peak oscillator plate current
700 mA
Tuning range
15 MHz
Oscillator
Operating frequency
1090 MHz
Amplifier
Maximum DC plate voltage
1100 V
Amplifier
Peak heater-cathode voltage
60 V
Amplifier
Duty factor maximum
0.01
LongTerm
Pulse duration
0.45 us
Typical
Peak amplifier cathode current
2 A
Peak amplifier plate current
1.5 A
Useful peak power output
500 W
1090MHz
Tuning range
15 MHz
Amplifier
Data set 05
Published operating points and test conditions from this source.
Va max
6 V
Va max. 6 V
Va = max.,
6 V
Va = max., 6 V
Heating : direct Ve
0.7 V
Heating : direct Ve = 0,7 V
Chauffage: direct Ie
300 mA
Chauffage: direct Ie = 0,3 A 1)
Vg
2.5 v
Vg = =2,5 v