Tube-number record
FORWARD WAVE AMPLIFIER
0 archive entries
FORWARD WAVE AMPLIFIER is a tube type in the TubeDatabase archive (class: Microwave Device (Travelling Wave Tube)). Recorded specifications: brand Mullard, construction Other / special, socket Special / none, maximum plate voltage 1550 V, and maximum plate dissipation 0.9 W. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassMicrowave Device (Travelling Wave Tube)
BaseSpecial / none
Filament6.3 V @ 500 mA
Construction
Primary TypeOther / special
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesWarmup time 5.0 minutes
Absolute Maximum Ratings
Plate Voltage1550 V
Plate Dissipation0.9 W
Grid 2 Voltage200 V
Grid 1 Voltage400 V
Cathode Current0.6 mA
H-C Voltage50 V
Audio Performance
Key Features
- Broadband low power amplifier
- X-band
- Periodic permanent magnet system compatible
- Unpackaged construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Input amplifier | 1400 V | — | — | — | 0.55 mA |
Application Notes
This data should be read in conjunction with General Operational Recommendations for Microwave Devices. Up to 5dB improvement in noise can be obtained with approved design.
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