T234 20 kW,
T244 25 kW &
T254 30 kW
FM Transmitter General Characteristics
Power supply voltage
| 415 Vac �3% 3ph+N or 380 Vac �3% 3ph+N or 220 Vac �3% 3ph |
Operating temperature range | -10 to +45°C |
Storage temperature range | -30 to +70°C |
Relative humidity | 0 to 90% |
Altitude (higher altitudes available) | up to 6500 ft |
Power consumption (typical) | 50 kVA -T254 |
43 kVA - T244 | |
35 kVA - T234 | |
Power factor | � 0.95 |
Frequency range (up to 10 programmable frequencies locally or remotely selectable in 1 kHz steps) | 87.5 to 108 MHz |
Output power | 30 kW - T254 |
25 kW - T244 | |
20 kW - T234 | |
Type of emission | F3E |
FM carrier deviation | �75 kHz |
Frequency stability | ��1 ppm/year |
Frequency drift (after 30 min.) | ��200 Hz |
Output impedance | 50 W |
Output flange (others on request) | |
VSWR without performance degradation | �1.5 |
Harmonic emission | � 1 mW |
Spurious emission in band | �-90 dBc |
Residual AM noise level | �-60 dB |
Synchronous AM noise level | �-50 dB |
Nominal input level | -4 to |
Input impedance | 600 W or 5 kW balanced internally selectable |
Pre-emphasis (according to the standard) | 75 ms �0.8 ms disconnected or 50 ms �0.5 ms disconnected |
Amplitude vs. frequency response | 40 Hz to 15 kHz �0.2 dB |
Total harmonic distortion with pre-emphasis and de-emphasis on | �0.1% (typical 0.07%) at �0.2% (typical 0.15%) at |
Signal to noise ratio (400 Hz modulation at �75 kHz deviation) | �80 dB unweighted (typical) �77 dB weighted (typical) |
Attenuation at 19 kHz | �50 dB |
Nominal input level | -4 to +12 dBm/600 W |
Input impedance (internally selectable) | 600 W or 5 kW balanced |
Amplitude vs.frequency response | 40 Hz to 53 kHz �0.1 dB 53 kHz to 100 kHz �0.3 dB |
Total harmonic distortion with pre-emphasis and de-emphasis on | �0.1% (typical 0.07%)
at �75 kHz deviation �0.2% (typical 0.15%) at �100 kHz deviation |
Nominal input level | -4 to +12dBm / 600 W |
Input impedance (internally selectable) | 600 W or 5 kW balanced |
Pre-emphasis (according to the standard) | 75 ms �0.8 ms disconnected or 50 ms �0.5 ms disconnected |
Amplitude vs.frequency response | 40 Hz to 15 kHz �0.2 dB |
Total harmonic distortion with pre-emphasis and de-emphasis on | �0.1% (typical 0.07%) at �75 kHz deviation �0.2% (typical 0.15%) at �100 kHz deviation |
Signal to noise ratio (400 Hz modulation at �75 kHz deviation) | �73 dB unweighted (�75 dB typical) �68 dB weighted (�70 dB typical) |
Crosstalk between channels (�75 kHz deviation) | 40 Hz to 15 kHz >50 dB (guaranteed) 40 Hz to 15 kHz >55 dB (typical) 100 Hz to 5 kHz >55 dB (guaranteed) 100 Hz to 5 kHz >60 dB (typical) |
Attenuation at 19 kHz | �50 dB |
Attenuation above 53 kHz | �52 dB |
Nominal input level | -10 dBm |
Input impedance | 5 kW unbalanced |
Operating frequency | 67 kHz |
Nominal input level | -10 dBm |
Input impedance | 5 kW unbalanced |
Operating frequency | 57 kHz |
Pilot output | 19 kHz, squarewave, 1 Vpp |
These are general specifications and typical values. They are subject to change without notice and will be altered to meet individual customer requirements.
Return to T234/T244/T254 Main Page | This is introductory information. Our company reserves the following right: because of the delay occurring between the issue of this information and the completion of our products after testing, it is possible that a product does not comply with the features stated herein. Therefore this information is neither a contract nor an offer, but only an invitation to contact us. |
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