Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristics
Plate Voltage
250 V
Plate Current
1 mA
Screen Current
0.65 mA
Voltage Gain
70 ratio
AGC Control Range
7 ratio
At 20V AVC
Tuning Indicator ·Pentode-TuningIndicator
WE18
Combination variable-mu amplifier pentode and cathode-ray tuning indicator for receiver control and visual tuning or signal-strength indication.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 200 mA
Description
The WE18 combines a variable-mu AF pentode with a cathode-ray tuning indicator, allowing gain control together with visual tuning indication.
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
- 200 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
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 800000 Ω
- Max plate voltage
- 300 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 0.3 W
- Max screen dissipation
- 0.1 W
Variable-mu AF pentode section.
Section 2
Tuning Indicator
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Cathode-ray tuning-indicator section.
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.