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5. TECHNICAL SPECIFICATIONS
5.1. Tx Characteristics
All data is applicable to E-GSM900 and GSM1800 except where stated.
± 0.1 ppm max., relative to base station frequency.
RMS: Equal to or less than 5°
Peak: Equal to or less than 20°
5.1.3. Output RF Spectrum due to Modulation
5.1.1. Frequency Error
5.1.2. Modulation Phase Error
Offset from Centre Frequency (kHz) Maximum Level Relative to Carrier 9dB)
± 100 +0.5
± 200 -30
± 250 -33
± 400 -60
± 600 to 1800 -60
5.1.4. Output RF Spectrum due to Switching Transients
Maximum Level (dBm)
Offset from Centre Frequency (kHz)
E-GSM 900 GSM 1800
± 400 -19 -22
± 600 -21 -24
± 1200 -21 -24
± 1800 -24 -27
Measurement conditions for output RF spectrum measurements:
Frequency Span 0 Hz
Measurement Bandwidth: 30 kHz
Video Bandwidth: 30 kHz (modulation)
100 kHz (switching)
Average (Modulation) Over 200 burst
Peak Hold (Switching) Over 10 burst
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