Description
GU-33 B
Generator tetrode GU-33B in metal-glass design with indirectly heated oxide cathode and forced air cooling of the anode and stem, designed for continuous operation in the frequency range up to 500 MHz in stationary and mobile radio transmitting devices.
Design - metal-ceramic.
Cooling - air 40m3 / h.
Weight - 220 g.
Filament current
5.15 ± 0.45A
1st grid reverse current
<20 μA
The bias voltage on the 1st grid is negative
7 ± 5V
Cutoff voltage of the anode current (at Un = 1000V, Ia = 5mA)
<60V
Slope characteristics
26 ± 6mA / V
Oscillatory power at a frequency of 60 MHz (at Uа = 1kV, Uс2 = 250V, Uс = 52V)
> 130 W
Oscillatory power at a frequency of 250 MHz (at Uа = 0.9 kV, Iа = 310mA)
> 120 W
Decrease in vibrational power (at Un = 5.7V)
<25%
Gain of the 1st grid relative to the 2nd grid (at Uc2 = 250V and 300V)
13
Interelectrode capacitances, pF:
- input
11 ± 5
- weekend
8.5 ± 1.5
- checkpoint
<0.1
Made in USSR.
LOT OF 1 PC.
"OTK", high reliability.
The tubes are never used.
Made in "Svetlana" Plant
ORIGINAL PHOTO!
100% New Item
Terms of Sale
100% Feedback Seller!!!
Returns must be sent to Ukraine. I can guarantee you complete satisfaction with all my products. If you receive an item you ordered which is damaged or defective, I will send replacement item. I only accept returns if the items you received are not what was described in the listing, damaged or defective. If exchangeis not possible money refund will be issued. Item for returning must have the original tags and packing, otherwise it won't be accepted.
Shipping
Shipping usually takes 10 - 24 days WorldWide. Tracking number will be provided. Will be packed professionally.
Can write lower value on customs declaration on request.
Contact Us
Contact ME on Ebay or Email if you have any question regarding this item.