Data set 01
195X Tesla
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristics
Interelectrode capacitances
Published
See source sheet for electrode-specific capacitance values
Diode (NOT rectifier) ·Diode-Diode
CV140
EAA91-family dual diode with separate cathodes for low- and high-frequency detector, discriminator, and rectifier operation.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 300 mA
Description
TESLA EAA91 is a dual diode with separate indirectly heated cathodes for low- and high-frequency operation; one section has a resonant frequency of about 700 MHz.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Diode
X-ray radiationInterelectrode capacitances
- Max plate dissipation
- 0.25 W
- Rectifier peak inverse voltage
- 420 V
Two identical diode systems; representative row. Peak inverse voltage is 420 V; total anode dissipation is 0.5 W for both systems.
Section 2
Diode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Physical second diode section added during approved section-structure reconciliation.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.