Heater voltage |
6.3V |
Heater current |
320mA |
Max anode voltage |
250V |
Max screen voltage |
100V |
Oscillator anode voltage
(applied through 30k ohms) |
250V |
Oscillator grid peak voltage |
10V |
Min control grid voltage |
-3V |
Average total cathode
current |
11mA |
Average conversion conductance
(Vg1=-3, Vgo=10V peak) |
225 micromhos |
Average conversion conductance
(Vg1=-35, Vgo=10V peak) |
0.2 micromhos |
Conversion impedance |
2.5M ohms |
Range of heater voltage
for satisfactory operation |
5.7 to 7.5V |
Capacitances
(measured with external shield) |
Cg1-all |
3.5pF |
Cg1-a |
0.12pF |
Ca-all |
5.5pF |
Cgo-ao |
2.0pF |
Cao-all |
5.5pF |
Cgo-all |
10.4pF |
Cgo-g1 |
0.2pF |