
| NT 250 Technical and Maintenance Manual | NicomUsa Inc | 
CHAPTER 2
ELECTRICAL SPECIFICATIONS
| NT 250 TECHNICAL DATA | 
 | 
| Power output: | 2 to 270 Watts continuously variable | 
| Frequency of operation: | Sinthesized with TXCO crystal reference | 
| RF output connector/ Impedance: | Type "N" Female / 50 Ohms | 
| Frequency Stability: | Better than 5ppm (± 500 Hz) , 0 to 50° C. | 
| Frequency Range: | 87.5 - 108 Mhz | 
| Frequency programming: | Digitally in 10 Khz increments. | 
| Modulation type: | Direct FM at the carrier frequency | 
| S/N Ratio (ref. to 50 Khz / 1000 Hz): | Mono > 70dB - Stereo > 65 dB. | 
| Distortion, THD: | < 0.1 %, Typ. 0.05 % | 
| Asyncronous AM S/N ratio: | 65 dB below reference carrier with 100% AM | 
| 
 | modulation, 75 usec  | 
| 
 | modulation present). | 
| Syncronous AM S/N ratio: | 60 dB below reference carrier with 100% AM | 
| 
 | modulation (FM modulation ± 75 Khz). | 
| DC input power: | 24 V VDC 8 A | 
| AC input power: | Single phase 100 - 240 V | 
| Ambient Temperature Range: | 0° to 50° C (+32° to +122° F) | 
| Spurious and Harmonic or | 
 | 
| Subharmonic Emissions: | <  | 
| Stereo Separation | 55 dB @ 1 Khz | 
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