Nominal output power: 1 KW
Operating frequency: 4,845 kHz
Emission type: A3E
Frequency control: quartz crystal
Frequency stability: +/- 10 Hz between 10oC to 50oC and primary voltage variations of + - 10%
Modulation: plate - high level
Modulation capacity: 100% on positive peaks
RF output impedance: 50 ohms unbalanced
Carrier amplitude regulation: less than 3% for any modulation percentage
Harmonic and other non-essential emission: attenuated by at least 60 dB in relation to fundamental

Audio input impedance: 600 ohms Audio input level: + 10 dBm
Harmonic audio distortion: <3.0% between 50 and 7500 Hz at 90% modulation
Audio frequency response: +/- 2.0 dB between 100 and 5000 Hz, in relation to 1000 Hz and +/- 1.0 dB between 50 and 100 Hz and between 5000 and 7500 Hz in relation to 1000 Hz
Carrier noise level: better than 52 dB below the 100% modulation level at 400%
Valve type used in the final RF amplifier: two 4-400 C Operating conditions of the final RF amplifier: plate voltage:
3000 V and plate current: 0.45 A
Calculation of output power: 3000 x 0.45 x 0.79 = 1000 W
Primary supply: three-phase - 220 V - 60 Hz
Primary consumption: 2.7 KVA @ 0% modulation and 4.3 KVA @ 100% modulation
Dimensions: 0.85 x 0.85 x 2.0 m Weight: 550 Kg