GU-74B
390,00 $
Russian tetrode tube GU-74B are direct replacements for use in some of the best-built RF power amplifiers, including Alpha 99, 91B, 8100; ACOM 1000, 1006, 1010, 2000A. Fully equivalent to the modern 4CX800A tube
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22 in stock
The GU-74B (4CX800A, ΠΠ£-74Π rus.) Svetlana tetrode is used in wide-band non-tunable amplifiers and for single-sideband power amplification in stationary and mobile RF equipment. It is useful at full ratings through 250MHz.Β GU74B (4CX800A) Ceramic Power Tetrodes are high performance ceramic/metal tetrodes with a plate dissipation rating of 800 watts.The performance characteristics of the 4CX800A allow its use as a high gain grid-driven RF amplifier or as used in grounded grid service.
Stamp of technical control department of the manufacturerΒ “Β ΠΠ’ΠΒ “Β
GU – generator tubes with a generation frequency from 30 to 300MHz
74 – the number of the serial number of the development of this type of tube
B – letter indicating the type of forced cooling
Technical specifications:
- Cathode type: oxide, indirect heating
- Application field: power amplification in broadcasting and SSB equipment
- Brief application: amplification
- Envelope: metal-ceramic
- Cooling method: forced air
- Forced air cooling of at least 35mΒ³/h.
- Dimensions: 90 x 71mmΒ
- Filament voltage: 12.6VΒ
- Filament current: 3.3A … 3.9A
- Mutual conductance: 26 to 38mA/VΒ
- Output power: 0.6kW
- Maximum anode voltage: 2kV/4kV in peak
- Maximum operating frequency: 150MHz
Durability is not less than 2000 hours.
| Weight | 0,49 kg |
|---|---|
| Dimensions | 9,0 × 7,1 × 7,1 cm |
| Brand | SVETLANA |
| Packaging | Product from factory group packaging |
| Socket type | 7- Pin PL21V-1V |
| Condition | New product |
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