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QQE05320

Radiation-cooled dual transmitting tetrode designed for frequency multiplication and audio-frequency amplification, explicitly equivalent to SRS4452 and 6252.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: -
Base pins: -
Nominal heater: 12.6 V / 650 mA

Description

QQE05320 is a radiation-cooled dual transmitting tetrode intended for frequency multiplication, audio-frequency amplification. The source publishes heater data, static characteristics, operating examples, limiting ratings, capacitances, and mechanical or cooling requirements as applicable. The source explicitly states equivalence among SRS 4452, QQE 053/20, and 6252.

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: 12.6 V
Nominal heater current: 650 mA
Parallel heater voltage: 6.3 V
Parallel heater current: 650 mA
Series capable: Yes

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

Tetrode

X-ray radiationInterelectrode capacitances

Transconductance: 0.0025 S
Max plate voltage: 600 V

Promoted ratings/characteristics are source-published values; additional published values and operating examples are preserved in the parameter table.

Section 2

Tetrode

X-ray radiationInterelectrode capacitances

Transconductance: 0.0025 S
Max plate voltage: 600 V

Second physical tetrode 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 01

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

Heizstrom Te D
6.65 A
Heizstrom Te D 06,65 A
f 200 200 400 400
600 MHz
f 200 200 400 400 600 MHz
i 200 200
400 MHz
i 200 200 400 MHz
Ua‘ 500 300
300 V
Ua‘ 500 300 300 V
Ug2 e 250
250 V
Ug2 e 250 250 V
Ug1 —80 —50 =
50 V
Ug1 —80 —50 =50 V
Ia 2x40 2x40 2x
40 mA
Ia 2x40 2x40 2x40 mA
Iéä" 2x4 05 2x
3 mA
Iéä" 2x4 05 2x3 mA
Ig1 2x1 2x1 2x
1 mA
Ig1 2x1 2x1 2x1 mA
Qa ' 2x4 ,5 229
255 W
Qa ' 2x4 ,5 229 255 W
Qg2 2x1 2x1
20715 W
Qg2 2x1 2x1 20715 W
BA 31 Wr
12 W
BA 31 Wr 12 W
N E 71
54 %
N E 71 54 %
f 66,7/200 133/
400 MHz
f 66,7/200 133/400 MHz
Ua mod maxX
500 V
Ua mod maxX 500 V
Ug1 min
75 V
Ug1 min 75 V
Steuergitterverlustistg. Qgı max 2x0
5 W
Steuergitterverlustistg. Qgı max 2x0;5 W
] rungen darf
1 %
] rungen darf 1%80°C nicht übersteigen.
f =
150 MHz
f = 150 MHz bei U, 600 V
f ®
200 MHz
f ® 200 MHz bei U, 500 V
f=
430 MHz
f= 430 MHz bei Ua 300 7
In der wievielten Stufe arbeitet die Röhre@?
0 mA
In der wievielten Stufe arbeitet die Röhre@?...............0000000000 A

Characteristic

Schirmgitterspannung Ug2
250 A
Schirmgitterspannung Ug2 250 A'd
Anodenstrom Ia
20 mA
Anodenstrom Ia 20 mA
Steilheit | S
2.5 mA
Steilheit | S 2,5 mA/Y
Anodenspannung Ua RO
600 V
Anodenspannung Ua RO 600 V
Kathodenstrom ;k Ka
2555 mA
Kathodenstrom ;k Ka 2555 mA
Gitterstrom ig1 Ar
2245 mA
Gitterstrom ig1 Ar 2245 mA