电子管欣赏 [复制链接]

我有一只fu81，样子像个小暖瓶。可惜我还没有数码相机，过段时间一定把它拍照下来，供朋友们欣赏。

gu39b-1 13000 w

a forced-air cooled tetrode gu-39b-1 usual use for a power amplification in stationary short-wave transmitters.

cathode: directly heated, carbonized thoriated tungsten.

envelope: glass-to-metal.

some main technical data:

filament voltage       6.3v

filament current       85-105a

mutual conductance

(ua= 3 kv,ug2=1 kv,ia =1.5 a)                   20-28 ma/v

gain coefficient (ua= 3 kv,ug2= 1.2 kv,ia= 1.5 a)   6-9

anode current (ua= 3 kv,ug1=-100 v,ug2=1 kv) 140-180 a

interelectrode capacitance:                   input     80 pf

                                                  output   29 pf

                                                transfer 0.7 pf

output power

(ua = 10 kv, operating frequency 30 mhz)             13 kw

max filament voltage                                       6.6 v

max anode voltage (dc)                                 10 kv

min grid 1 voltage                                       - 800 v

max grid 2 voltage (dc)                                   2 kv

filament starting current                                 150 a

dissipation power anode                               8000 w

                    grid 2                                 450 w

                    grid 1                                 200 w

frequency   range                               up to 100 mhz

anode temperature                                       200 °c



height:     11.5 in. (~293 mm.)

diameter:   5.0 in. (~128 mm.)

mass:       17.7 lb. (~ 8 kg.)

gs35b 1500w

this is lot of 5 nos russian (soviet military) triodes gs35b.

a forced-air cooling, metal-ceramic form made, generator triode.

main functions are high frequency generation and amplification.

output power is up to 1500w, frequency rang is up to 1000 mhz.

* some main technical data:

max anode constant voltage                           3000 v.

max anode pick voltage                                 6000 v.

max cathode current (effective)                           1.4 a.

max anode dissipation power                           1500 w

max grid dissipation power                               25 w

frequency range up to                                 1000 mhz

*attention! all technical data are from the tube manufacturer (svetlana) certificate. it may be different from other internet data sources.

if you would like you could order more lots of these tubes.

contact seller by e-mail for more information.

will ship to uk, germany, italy, france, finland, japan too.

please, for other countries contact seller before your bid.

gu43b 1600w

these are two new old stock russian (soviet military) tubes gu 43b, tetrode.

* a forced-air cooled, metal-glass form made generator tetrode.

main function is a use for a power amplification at frequencies up to 100 mhz with output power up to 1.6 kw.

* some main technical data:

output power                                 1600 w (not less)

max anode constant voltage                   3300v

the second grid voltage                       500v

the first grid voltage, negative                 200v

max anode current amplitude                   3.2a

max cathode constant current                   1a

max anode dissipation power               1000 w

frequency range                         up to 100 mhz