Generator tetrode GU-73B for amplifying a single-sideband signal at frequencies up to 250 MHz. The design is ceramic-metal, with ring electrode leads. Cooling - forced air 150 m3/h.

1. Filament current 4.85 ± 0.25 A.
2. Current of the 2nd grid, no more than 80 mA.
3. Slope 92.5 ± 27.5 mA/V.
4. The gain of the 1st grid relative to the 2nd grid is 5 ± 2.
5. The grid locking voltage (at Uа=4 V, Iа=20 mA) is negative, not more than 120 V.
6. Ready time, no more than 3.5 minutes.
7. Vibrational power class AB1, not less than 2.5 kW.
8. Interelectrode capacitances:
– input 155 ± 15 pF,
– output 22.5 ± 3.5 pF,
– throughput not more than 0.2 pF.
9. Heating voltage 24.7 – 27.3 V.
10. Durability – not less than 1000 hours.
11. Weight: no more than 2.5 kg.

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

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)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

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.