| TX25KSS/60D215J |
| Parameter | Value |
| GENERALS |
| RF Output Power | 25 kW |
| Frequency Range | 87,5 – 108 MHz programmable in 1,10 or 1000 KHz steps |
| Frequency Stability | ±1 ppm |
| Nominal Frequency Deviation | ±75 KHz (peak) |
| Maximum Frequency Deviation | ±100 KHz (peak) |
| Class of Emission | 180KF8E |
| Stereo Transmission | Acc. To ITU-R / Rec. 450 (Pilot tone) |
| RF Output Impedance | 50 Ω, Unbalanced |
| RF Output Connector | 3-1/8” EIA Flange |
| VSWR | 1.41:1 with automatic fold-back at higher VSWR |
| Frequency Control | Synthesizer µ processor control |
| Modulation Capability | ±150 KHz |
| Modulation Mode | Mono, Stereo, Multiplex, SCA, RDS, DARC, Aux |
| Pre-emphasis Mode | 0/50 (CCIR) µs, 75 (FCC) µs |
| Asynchronous AM S/N Ratio | ≥ 70 dB unweight, referred to 100% AM modulation at 400 Hz Pre-emphasis and without FM modulation |
| Synchronous AM S/N Ratio | ≥ 55 dB, reference to 100% AM modulation at 400 Hz, 50 µs Pre-emphasis with FM modulation at 75 KHz of deviation |
| Harmonics suppression and Spurious | Typically 85dB |
| Overall efficiency | Typically 70/72% |
| RF Harmonics | Exceeds ETSI/CCIR/FCC requirements |
| RF Spurious | Exceeds ETSI/CCIR/FCC requirements |
| Max Frequency Tolerance | As per ITU (R) |
| Analogue Input Level ±75 Khz (peak) deviation | -6 dBu - +6 dBu at 1 Khz, 0 dBu |
| Digital Input Level ±75 Khz (peak) deviation | -20.0 dBFS – 0 dBFS (adjustable) at 1 Khz |
| MONO OPERATION |
| S/N ratio | > 90dB (typical 92dB), 75KHz deviation (30 Hz to 15 KHz base band) rms, unweighted |
| Total Harmonic Distortion + Noise | Better than 0.15% |
| Inter Modulation Distortion SMPTE | Better than 0,20% (60 Hz / 7 KHz, 4:1, +4 |
| Frequency Response | ±0,2dB (30Hz – 15Khz) |
| Audio Input Impedance | 600 Ω balanced or 10 kΩ unbalanced |
| MPX OPERATION |
| S/N ratio | >90 dB, 75 KHz deviation rmd, unweight |
| Total Harmonic Distortion + Noise | < 0,02% |
| Inter Modulation Distortion | < 0,02% 60 Hz / 7 KHz, 4:1, +4dBu |
| Frequency Response | ±0,3dB, 30 Hz to 100 KHz |
| Transient Intermodulation Distortion | 0,03%, 2,96 KHz square wav end 14 KHzsine wave |
| STEREO OPERATION |
| Audio Input Impedance | 2 K ohm or more |
| Stereo FM S/N Ratio, unweighted | >84 dB, 30 Hz to 15 KHz deviation (L or R), rms |
| Stereo Separation (Sine Wave) | ≥ 60 dB (30 Hz – 15 KHz) |
| Linear Cross Talk | Better than 50 dB, referred to 100% modulation (30 Hz to 15 KHz) |
| Non-linear Cross Talk | Better than 50 dB, referred to 100% modulation |
| Total Harmonic Distortion + Noise (L or R) | <0,02%, 60 Hz / 7 KHz, 4:1, +4dBu |
| Inter Modulation Distortion SMPTE (L or R) | ±0,2 dB, 30 Hz – 15 Khz |
| Digital Input Impedance | 110 Ω |
