Power - Tetrode (NOT beam) ·Tetrode-Tetrode
Radiation-cooled VHF double tetrode for RF amplification, oscillation, multiplication, and modulation. The paired power sections support push-pull Class C operation around 175 MHz, with published output reaching roughly 180 W under intermittent service conditions.
The Mullard YL1060 is a radiation-cooled VHF double tetrode for amplifier, oscillator, frequency multiplier and modulator service.
Septar 7-contact base
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
2 physical sections, each with unique specifications.
Section 1
Representative of two identical RF-power tetrode sections.
Section 2
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Maximum Operating Frequency
175 MHz
Maximum Plate Voltage
1000 V
Maximum Plate Dissipation
34 W
EachSection
RF Output Power
180 W
RepresentativePublishedMaximum
RF Output Power
150 W
ClassC; CCS; 175MHz
RF Output Power
180 W
ClassC; ICAS; 175MHz
Plate Voltage
1000 V
ClassC; 175MHz
Plate Current
120 mA
EachSection; ClassC; ICAS
Data set 02
Published operating points and test conditions from this source.
Heater voltage Ve [1]
6.3 V
Heater voltage Ve [2]
12.6 V
Heater current Ip [1]
1.8 A
Heater current Ip [2]
900 mA
When the tube
1 s
Temperature of base pin seals = max.,
180 °C
Anode voltage Va = max
1000 V
Anode current Ig = max. 2x1
10 mA
Anode dissipation Wy = max. 2x3
0 W
Anode input power Wia = max. 2x1
0 W
Grids No.2 voltage Vgz,gé = max,
300 V
Grids No.2 dissipation w82:82'= max
7 W
voltage 'V81 = max
175 V
Heater to cathode voltage Vi max,
100 V
Frequency r = 175
175 Mc/s
Anode voltage Vg = 1000
900 V
Grids No.2 voltage Vgo,g0'= 230
245 V
Anode current I = 2x100 2x1
10 mA
Grids No.2 current 182,85 = 11,2
12.5 mA
Grids No.t! current Ig,,gf = 5.7
5.9 mA
Anode 1input power Wiy = 200
198 W
Anode dissipation Wag = 2x27 2x2
5 W
Grids No.2 dissipation Wgo,g0'= 2.5
3 W
Driver output power War = 3.5
3.5 W
Qutput power ¥o = 146
150 W
Useful power in the load L7} = 125
132 W
Anode voltage Va = max
1000 V
Anode current I = max. 2x1
20 mA
Anode dissipation Wag = max. 2x3
4 W
Anode input power ¥y, = max, 2x1
20 W
Erids No.2 voltage . Vgz,sé = max,
300 V
Srids No.2 dissipation Wgzvgf = max
8 W
voltage —Vg1 max
175 V
Heater to cathode voltage Ve = max,
100 V
Frequency T = 175
175 Mc/s
Anode voltage Va = 1000
900 V
Grids No.2 voltage VSQ:SZ' 260
260 V
Grid No.1 voltage VS1
-85 -85 V
Common grids No.1 resistor R51,51‘ 15
15 kQ
Anode current Ig = 2X120 2x1
20 mA
Grids No.2 current Igs,85' = 16.5
17 mA
Grids No.1 current Igi,81'= 5.7
5.7 mA
Anode input power Wig = 240
216 W
Anode dissipation Va = 2x30 2x2
5 W
Grids No.2 dissipation W52,82'= 4.3
4.5 W
Driver output power Har = 3.5
3.5 W
Qutput power Wo 180
166 W
Useful power in the load W = 163
147 W
Anode voltage Va = max. 800
800 V
Anode current Ia = max. 2x90 2x1
0 mA
Anode dissipation Wa = max. 2x21 2x2
3.5 W
Anode input power Wiz = max., 140
160 W
Grids No.2 dissipation W52,82'= max. 5.0
5.5 W
voltage Vg =max. 175
175 V
Heater to cathode voltage Vkf = max. 100
100 V
Frequency f = 175
175 Mc/s
Anode voltage Vg = 750
800 V
Grids No.2 voltage V82.g2' = 250
225 V
Grid No.1 voltage Vg; = -66
~-75 V
Anode current In = 2x90 2x1
0 mA
Grids No.2 current 152,52' = 10.2
8.8 mA
Anode input power Wig = 135
160 W
Anode dissipation Wg = 2x19 2x2
1 W
Grids No.2 dissipation gy .85 = 2.6
2 W
Driver output power Wr = 3.4
3 W
Output power o = 97
122 W
Useful power in the load W = 85
107 W
Modulation power Wmod = 68
80 W
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9 %
filozisz 7
69 %
7201450 /
3512 ff
g,
250 V
200 400 600
800 V
Vg, V92
250 V
20 ¥ smssssaassusm {64
14 A
20 ¥ smssssaassusm {64
4 A
0 200 400 600
800 V
‘?Q}\ \
0 s
1 T F
7 w
Y,
200 V
S35
400 mA
ot PT
300 mA
Ban 014
4 A
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3 A
7 B 1962.12.12
8 C
ments except grid No.1 Ca
3.2 pF
elements except anode Cg1
10.5 pF
Anode to grid No.1 Cagq
< 0.09 PF
Mutual conductance S
4.5 mA