Features
- Liight-weight, compact, and cost-effective constrys
- Sufficiently suppressed noise spectrum.
- Stable performance and good reliablility.
- High power output.
1. General Data
ELECTRICAL CHARACTERISTICS
Filament voltage, Stand-by
3.8 Vac
Filament voltage, Operation
13.0 Aac
Frequency(with matched load)
2460 MHz
Anode potential
Earth
Filament potential
(-4.5 kV)
Magnet
Ferrite-magnet
MECHANICAL CHARACTERISTICS
Width
93.2mm (3.67inches) max.
Length
127mm (5.00inches) max.
Height
142mm (5.59inches) max.
Weigh
Approx. 1.0Kg
Mounting position
Any
Cooling
Forced air
2. Absolute Maximum Ratings
ELECTRICAL CHARACTERISTICS
Min
Max
Unit
Filament voltage, Stand-by
3.30
4.20
Vac
Pre-heating Time
0
-
Sec
Average Anode Current
-
580
mAdc
Peak anode current
-
1800
mAp
Average anode input
-
2400
W
Load VSWR(continuous)
-
4
-
Load VSWR(instantaneous)
-
8
-
Anode core temperature
-
300
¡É
Temperature
-30
60
¡É
3. Typical Operation
OPERATING CONDITIONS
Filament voltage
3.8Vac
Averaage anode current.#
450mAdc
Cooling air flow
1.5§³/min
# Power supply unit:Half-wave doubler with leakage transfomer or full-wave rectifier without filter.
TYPICAL PERFORMANCE
Frequency(matched load)
2460MHz
Peak anode voltage
4.50kVp
Average output power(matched load)
1450W
Average output power(in a typical oven)
1250W
In accordance with IEC Pub. 705 measurement method.
DIMENSIONAL OUTLINE OF 2M257 SERIES
DIMENSIONS IN MILLIMETERS
NOTE:
1.Adaptable for AMP FASTON 250 series receptacle.
2.Anode temperature mesauring point.(Down Stream Air)
3.Case temperature measuring point
4.Antenna temperature meauring point.
5.Change of number and dimensions of holes on the Yoke
which are not specified in the drawing should be accepted.
¡Ø OPTION : Other direction types of filament terminal are available.