Generator tetrode GU-74B for operation in non-tunable single-sideband radio transmitters and amplification of a single-sideband signal at frequencies up to 60 MHz. Decoration - metal-ceramic. Cooling - forced air 35 m3/h.

1. Filament current 3.6 ± 0.3 A.
2. The bias voltage of the 1st grid is negative 24±6V.
3. Anode current (at Uа=250 V, Uс1=0), not less than 1400 mA.
4. Current of the 2nd grid (at Uа=250 V, Uс=0), no more than 360 mA.
5. Current of the 2nd grid, no more than 20 mA.
6. The current of the 1st grid is reverse, not more than 50 μA.
7. Slope, 32 ± 6 mA/V.
8. The gain of the 1st grid relative to the 2nd grid is 6.5 ± 2.
9. Ready time, no more than 2.5 minutes.
10. Interelectrode capacitances:
– input 51 ± 5 pF,
– output 11 ± 2 pF,
– through passage no more than 0.09 pF.
9. Heating voltage 11.9 – 13.3 V.
10. Durability – not less than 1000 hours.
11. Weight: 550 g.

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In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
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Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.