Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Heater Voltage
6.3 V
Heater Current
365 mA
EquivalentDesignation
E88CC
Voltage - Dual Triode (similar) ·Triode-Triode
CCA
Special-quality high-transconductance twin triode for RF, wideband, cascode, and professional amplifier service, corresponding to the E88CC/6922 family and intended for stable premium operation.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 300 mA
Description
Special-quality high-transconductance twin triode for RF, wideband, cascode, and professional service; equivalent designations include 6922 and CCA. This is the CCA co-designation of E88CC.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- 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
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 2600 Ω
- Transconductance
- 0.0125 S
- Amplification factor
- 33
- Max plate voltage
- 250 V
- Max plate dissipation
- 1.5 W
- Max cathode current
- 20 mA
Representative section row for two identical triode systems. Published characteristics audited; remaining numerical data retained in parameter table.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 2600 Ω
- Transconductance
- 0.0125 S
- Amplification factor
- 33
- Max plate voltage
- 250 V
- Max plate dissipation
- 1.5 W
- Max cathode current
- 20 mA
Second identical physical triode section; added to align rows with SectionCount.
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.
Data set 02
1963 Siemens
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Typical Plate Voltage
100 V
Typical Plate Current
15 mA
Noise Figure
4.6 dB
200MHz Cascode
Data set 03
1985 Valvo
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
VALVO SPEZIAL-VERSTARKERROHREN
8.64
VALVO SPEZIAL-VERSTARKERROHREN 8.64
Negativer Gitterstrom: —Ig < [1]
100 mA
Negativer Gitterstrom: —Ig < 0,1 pA 9)
Negativer Gitterstrom: —Ig < [2]
9 A
Negativer Gitterstrom: —Ig < 0,1 pA 9)
%
4
%4 VALVO SPEZIAL-VERSTARKERROHREN
Betriebsdaten als additive Mischstufe: Betriebsdaten als A-Verstirker,
1
Betriebsdaten als additive Mischstufe: Betriebsdaten als A-Verstirker, 1 System:
Brummspannung: “g brumm = max [1]
50 V
Brummspannung: “g brumm = max. 50 pVv 2)
Brummspannung: “g brumm = max [2]
2 V
Brummspannung: “g brumm = max. 50 pVv 2)
Published value
1 pF
1) kapazitiv #lberbrickter Anodenvorwiderstand
Published value [1]
2
2) Durch Verkleinerung des Gitterableitwiderstandes auf z,B, 100 kQ kann die
Published value [2]
100
2) Durch Verkleinerung des Gitterableitwiderstandes auf z,B, 100 kQ kann die
VALVO SPEZIAL-VERSTARKERROHREN [1]
3
VALVO SPEZIAL-VERSTARKERROHREN 3-3‘]‘
VALVO SPEZIAL-VERSTARKERROHREN [2]
-3
VALVO SPEZIAL-VERSTARKERROHREN 3-3‘]‘
Published value [1]
3 V
3) Feste Gittervorspannung ist nur bei I, s 5 mA zulldssig,.
Published value [2]
5 V
3) Feste Gittervorspannung ist nur bei I, s 5 mA zulldssig,.
Published value
4.6
4.60 VALVO SPEZIAL-VERSTARKERROHREN