Data set 01
1963 Siemens
Published operating points and test conditions from this source.
Tetrode
Characteristics
Amplification factor
8.4
Transconductance
70000 µS
Emission current
35 A A
Amplification factor of screen grid
8,4
UG2 = 600
1000 V, V
Transconductance
70 mA/V mA/V
I A = 2,5
3,5 A A
Other
Heater voltage
10 V V
Heater current
≈ 83 A A
Frequency
110 MHz MHz
Anode voltage (dc)
7,5 kV kV
Screen grid voltage (dc)
1000 V V
Control grid voltage (dc)
– 250 V V
Cathode current (dc)
4,0 A A
Peak cathode current
35 A A
Anode dissipation (RS 2012 CL)
12 kW kW
Anode dissipation (RS 2012 CJ)
18 kW 5) kW
Screen grid dissipation
200 W W
Control grid dissipation
70 W W
Frequency
≤ 110 50 ≤ 110 MHz MHz
Output power
11 15+0,26 3) 10,8+0,23 3) kW 1) kW
Anode voltage (dc)
6,0 9,0 7,0 kV kV
Screen grid voltage (dc)
800 800 800 V V
Control grid voltage (dc)
– 120 – 125 – 120 V 4) V
Peak control grid voltage (ac)
140 140 130 V V
Anode current (dc)
2,9 2,5 2,3 A A
Screen grid current (dc)
130 120 120 mA mA
Control grid current (dc)
70 40 10 mA mA
Anode input power
17,5 22,7 16 kW A
Drive power
9,0 2) 6 + 260 3) 1 + 230 3) W 1) W
Anode dissipation
6,5 7,7 5,2 kW kW
Screen grid dissipation
104 96 110 W W
Control grid dissipation
1,0 1,0 0,1 W W
Efficiency
63 66 68 %
Transmitter Tetrode
2012 C
Frequency
30 MHz MHz
Anode voltage (dc)
6,0 kV kV
Screen grid voltage (dc)
750 V V
Control grid voltage (dc)
– 250 V V
Cathode current (dc)
4,0 A A
Peak cathode current
35 A A
Anode dissipation (RS 2012 CL)
12 kW kW
Anode dissipation (RS 2012 CJ)
18 kW 6) kW
Screen grid dissipation
200 W W
Control grid dissipation
70 W W
Frequency
≤ 30 ≤ 30 MHz MHz
Carrier power
12 6,0 kW 1) kW
Anode voltage (dc)
6,0 5,0 kV kV
Screen grid voltage (dc)
700 500 V V
Control grid bias (dc), fixed
– 90 – 70 V V
Control grid resistance
500 470 Ω Ω
Control grid voltage (dc)
– 220 – 150 V V
Peak control grid voltage (ac)
280 190 V V
Anode current (dc)
2,4 1,45 A A
Screen grid current (dc)
200 120 mA mA
Control grid current (dc)
260 170 mA mA
Anode input power
14,4 7,3 kW A
Drive power
64 30 W 1) W
Anode dissipation
2,4 1,3 kW 2) kW
Screen grid dissipation
140 60 W W
Control grid dissipation
7,0 5,0 W W
Efficiency
83 82 %
Anode load resistance
1,2 1,7 kΩ kΩ
Modulation factor
100 100 %
Peak screen grid voltage (ac)
600 350 V 3) V
Modulation power
7,2 3,7 kW kW
Control grid current (dc)
400 240 mA 4) mA
Drive power
100 40 W 1) 4) W
Anode dissipation at modulation
3,6 2,0 kW 5) kW
Screen grid dissipation at modulation
170 75 W 5) W
tion the anode dissipation increases
1,5 times the power dissipation stated for the carrier value.
Transmitter Tetrode
2012 C
Anode voltage (dc)
7,0 kV kV
Screen grid voltage (dc)
1100 V V
Control grid voltage (dc)
– 200 V V
Cathode current (dc)
4,0 A A
Peak cathode current
35 A A
Anode dissipation (RS 2012 CL)
12 kW kW
Anode dissipation (RS 2012 CJ)
18 kW 1) kW
Screen grid dissipation
200 W W
Control grid dissipation
70 W W
20 kW
10 kW kW
Output power
0 16 0 8 kW kW
Anode voltage (dc)
6 6 5 5 kV kV
Screen grid voltage (dc)
1000 1000 800 800 V V
Control grid voltage (dc)
– 130 – 130 – 110 – 110 V V
between 2 tubes
0 220 0 180 V V
Anode current (dc)
2 × 0,5 2 × 2,4 2 × 0,3 2 × 1,5 A A
Screen grid current (dc)
0 2 × 90 0 2 × 30 mA mA
Anode input power
2×3 2 × 14,4 2 × 1,5 2 × 7,5 kW A
Anode dissipation
2×3 2 × 6,4 2 × 1,5 2 × 3,5 kW kW
Screen grid dissipation
0 2 × 90 0 2 × 24 W W
Capacitance
Cathode/control grid
≈ 76 pF pF
Cathode/screen grid
≈ 5,50 pF pF
Cathode/anode
≈ 0,07 pF 1) pF
Control grid/screen grid
≈ 122 pF pF
Control grid/anode
≈ 0,75 pF 1) pF
Screen grid/anode
≈ 22 pF pF
Transmitter Tetrode
2012 C
Transmitter Tetrode
2012 C
