新款微信红包扫雷源码

 
<< 805 Vacuum Tube


Classification- Dome-type bulb of glass, filametary of carbennation Th-w a white ceramic base with four-prong bayonet golden pins, carbon plate triode.

Application -Audio power amplifier A-F, R-F of class B or R-F of class C and H-F oscillater.

Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1 and 2.

 
Fig 1
 
Fig 2
 

Nominal operating conditions and parameters
Filament voltage …………………………………………………………… 10V
Nominal filament current …………………………………………………… 3.2A
Plate voltage ………………………………………………………………… 900V
Grid voltage ………………………………………………………………… 20V
Plate current ………………………………………………………………… 110mA

Suggest operating conditions and parameters
A-F of Class B Power amplifier(two tube)

Limiting value
V
Plate voltage
1250
1500
1500
V
La (max. sig. per tube)
210
mA
Pa (in)(max. sig. per tube)
315
W
Pa (per tube)
125
W
Grid voltage
-16
V
Ug~ (pk)
235
280
V
La (O)
148
84
mA
La (max. sig)
500
600
mA
Pd
6
7
W
Load resistance (a-a)
6.7
8.2
kohms
Pout (max. sig)
300
370
W

R-F of class B power amplifier of push-pull

Limiting value
Plate voltage
800
1000
1000
1250
V
Plate current
125
170
175
225
mA
Load resistance
4.5
4.6
4.6
6.6
kohms
Grid voltage
80
70
40
40
V
Signal voltage(pk)
177
240
V
Output power
40
75
75
115
W

R-F of class B power amplifier

Limiting value
Plate voltage
1250
1500
1500
V
Plate current
135
115
150
mA
Grid current
15
15
mA
Grid voltage
10
V
Signal voltage(pk)
70
70
V
Output power
55
57.5
W
Pd.
11
7.5
W
Plate dissiplation
85
W

R-F of class C power amplifier of single tube(max modulate coefficient shall be 1)

Limiting value
Plate voltage
1000
1250
1250
V
Plate current
160
160
175
mA
Grid current
60
60
70
mA
Grid voltage
-155
-160
-500
V
Signal voltage(pk)
295
300
V
Output power
110
140
85
W
Pd.
16
16
W
Plate dissiplation
125
W

R-F of class C power amplifier and oscillater(each tube of key contral conditions for note modulate)

Limiting value
Plate voltage
1000
1250
1500
1500
V
Plate current
200
200
200
210
mA
Grid voltage
-95
-100
-105
-500
V
Signal voltage(pk)
225
230
235
V
Output power
130
170
215
W
Pd.
8.5
8.5
8.5
W
Plate dissiplation
125
W

Characteristics-Average characteristics
Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

Fig 3

Limiting Operation Conditions for Safe Nor simultaneous ratings
Maximum plate voltage ………………………………………………… 1250 volts
新款微信红包扫雷源码 Maximum plate dissipation …………………………………………… 75 watts

 
 
最新h5红包扫雷源码百度云 微信抢红包扫雷群 红包扫雷领导网址 38红包扫雷 闲聊抢红包扫雷软件