E3730A OPERATING INSTRUCTIONS
－ 11 －
Peak drive power
400 W typ.
Efficiency
40% min.
Heater voltage
17 V typ.
Heater current
18 A typ.
4.3.4 Absolute ratings
Parameters
Symbol
Units
Max.
Min.
Frequency
f
MHz
2857
2855
Heater voltage
Ef
V
20
---
Heater current
If
A
20
---
Heater current (surge)
If (surge)
A
40
---
Cathode warm-up time
tk
minutes
---
60
Peak forward beam voltage
epy
kV
325
---
Peak inverse beam voltage
epx
kV
100
---
Peak cathode current
ik
A
400
-55
Peak drive power
pd
W
1000
---
Peak RF output power
po
MW
52
---
Average RF output power
Po
kW
10.5
---
Collector dissipation
Pcol
kW
35
---
Pulse width(duration) (epy)
tp(epy)
µ
s
6.7
---
Pulse width(duration) (rf )
tp(rf)
µ
s
4.0
---
Pulse repetition rate
prr
pps
50
---
Ion pump voltage
V ip
kV
3.9
3.1
Load VSWR
σ
L
VSWR
1.4
---
Coolant flow
Collector
Qw,c
L/min
---
30
Inlet coolant temperature
Tw,i
centigrade
35
5
Coolant pressure
Collector
Pw,c
MPa
0.98
---
Waveguide pressure
P
W/G
Pa
6.7 x 10
-5
---
(Gauge pressure)
(Torr
5 x 10
-7
---)