| TECHNICAL SPECIFICATIONS |
| Carrier Output Power |
50 kW |
| Types of Emission |
AM (A3E) |
| Frequency Range |
3.6 MHz ∼ 26.1 MHz (2.8 MHz ∼ 3.6 MHz be configured) |
| Type of Modulation |
PSM |
| Final Power Amplifier |
Class C |
| Output Impedance |
75 Ω (Unb.) / 300 Ω (Bal.) |
| Max. Load VSWR |
≤2 |
| Max. Load VSWR |
Sine 100% (60 Hz ∼ 7500 Hz) |
| Spurious Emission |
Better than FCC and CCIR recommendations |
| Carrier Shift |
<3% (1000 Hz, m=0.95, 50 kW) |
| Modulation Unbalancedness |
<5% (m=0.95, 1000 Hz) |
| Audio Input Impedance |
600 (Bal.) |
| Audio Input Level |
±10 dBm |
| Audio Frequency Response |
±1 dB (60 Hz ∼ 5000 Hz, m=0.75) ±2 dB (5000 Hz ∼ 7500 Hz, m=0.75) |
| Harmonic Distortion |
<3% (60 Hz ∼ 7500 Hz, m=0.9) |
| Signal to Noise Ratio |
≤-56 dB (m=1, 1000 Hz(Unweighted)) |
| Relative Humidity |
≤95% (25°C) |
| Primary Power |
380 V 3-phase 50 Hz |
| Power Factor |
Cos φ ≥0.9 |
| Overall Efficiency |
≥60% |
| Max. Altitude |
4000 m |
| Ambient Temperature range |
+5°C ∼ +50°C |
| Specifications may change without notice |
The series transmitters can operate within the frequency range of 3.9MHz～26.1MHz. The system consists of Power Supply, Automatic Control, Automatic Tuning, RF Amplifier Unit, Modulator and Harmonic Filter etc. The series can operate in SSB or AM mode used for normal short wave broadcasting or communication transmitter.