HWL412

RFT traveling-wave microwave amplifier intended for broadband RF amplification; available source extraction provides limited reliable operating detail.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 850 mA

Description

A microwave traveling-wave tube intended for RF amplification; the source specifies its operating frequency range, heater requirements, static electrode conditions, and RF performance.

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: 850 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

TravelingWave

X-ray radiationInterelectrode capacitances

Max plate dissipation: 80 W

Traveling-wave electron-beam interaction system; microwave operating values retained as parameters.

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

TravelingWave

Other

bereich von 3,3
4.2 GHz
bereich von 3,3...4,2 GHz.
Heizstrom 12
850 mA
Heizstrom 12 0,85 A
Anheizzeit T
2 min
Anheizzeit T 2 min
Kaltdämpfung D z
70 dB
Kaltdämpfung D z 70 dB
Welligkeit i
8 s
Welligkeit i 8 s 1,1
bezogen auf eine Band
30 MHz
bezogen auf eine Band- 30 MHz ’
breite von
30 MHz
breite von 30 MHz
bezogen auf den ganzen
8 S
bezogen auf den ganzen 8 S 2,0
Betriebswerte (bdei f =
3.9 GHz
Betriebswerte (bdei f = 3,9 GHz)

Characteristic

verstärkung von ca
45 dB
verstärkung von ca. 45 dB als Verstärkerröhre für MeBzwecke verwen-
Anodenspannung V, 400
800 V
Anodenspannung V, 400... 800 V
Wendelstrom Iy s
4 mA
Wendelstrom Iy s 4 mA
Anodenstrom I s
0.5 mA
Anodenstrom I s0,5 mA
Frequenzbereich f 33
42 GHz
Frequenzbereich f 33... 42 GHz
Ausgangsleistung Pout 2
10 W
Ausgangsleistung Pout 2 10 W
Kleinsignalverstärkung G z
45 dB
Kleinsignalverstärkung G z 45 dB
Frequenzbereich
900 MHz
Frequenzbereich 900 MHz ’
Rauschfaktor F S
30 dB
Rauschfaktor F S 30 dB