Data set 01
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Input capacitance
6 pF
Output capacitance
0.018 pF
Heater-to-cathode capacitance
24 pF
Voltage - Triode (single) ·Triode
7768
High-mu ceramic-and-metal planar triode intended primarily for broadband radio-frequency amplification.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 400 mA
Description
High-mu ceramic-and-metal planar triode primarily intended for broadband radio-frequency amplification.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 400 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
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 4500 Ω
- Transconductance
- 0.05 S
- Amplification factor
- 225
- Max plate voltage
- 330 V
- Max plate dissipation
- 0.55 W
High-mu metal-ceramic planar triode for broadband RF amplification.
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.