2J70B S-Band Magnetron 2J70B is a fixed frequency pulsed type S-band magnetron, designed to operate in the frequency range of 3025 to 3075 MHz with a peak output power of 50 kW. It is packaged and coaxial output type and forced air cooled. ---- MAXIMUM RATINGS ---Peak anode current ·················· Perk anode power input ·············· Duty cycle ·························· Pulse duration ······················ Rate of rise of voltage pulse ······· Anode temperature ·················· V.S.W.R at the output coupler ······· Min 6.0 - Max 18.0 170 0.001 2.0 130 120 1.5:1 Unit A kW µs kV/µs °C - ---- ELECTRICAL ---Heater voltage (Note 1) ········· Preheat time ···················· Peak anode voltage (Note 2) ····· Peak output power (Note 2) ······ Frequency (Note 2) ·············· Min 5.7 180 8.5 50 3025 Typical 6.3 9.0 – Max 6.9 9.5 3075 Unit V S kV kW MHz Note 1: Measured with heater voltage of 6.3V and no anode input power, the heater current 1imits are 1.1A minimum, 1.4A maximum. For average pulse input powers greater than 28 watts, the heater voltage must be reduced within 3 seconds after the application of h. t. according to the following schedule: Meat input power(W) Heater Voltage(V) Less than 28 ·············· 6.3 28 to 83 ·················· 5.0 63 to 140 ················· 3.8 Note 2: Measured at peak anode current 16.0A 98-3