White Paper T630/T628
Dimension | GSM | GSM 1800 | GSM 1900 |
| 900 |
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Number of channels | 174 Carriers *8 | 374 Carriers *8 | 299 Carriers *8 |
| (TDMA) | (TDMA) | (TDMA) |
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Modulation | GMSK | GMSK | GMSK |
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TX Phase Accuracy | < 5º RMS Phase | < 5º RMS Phase error | < 5º RMS Phase |
| error (burst) | (burst) | error (burst) |
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Duplex spacing | 45 MHz | 95 MHz | 80 MHz |
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Frequency stability | +/- 0.1 | +/- 0.1 | +/- 0.1 |
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Voltage operation (nominal) | 3.6 Volts | 3.6 Volts | 3.6 Volts |
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Transmitter RF power output | 33 dBm Class 4 (2W | 30 dBm Class 1 (1W | 30 dBm Class 1 (1W |
| peak) | peak) | peak) |
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Transmitter Output imped- | 50 W | 50 W | 50 W |
ance |
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Transmitter Spurious emis- | < | < - 30 dBm | < - 30 dBm |
sion | GHz | (according to GSM | (according to GSM |
| < | spec.) | spec.) |
| GHz |
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| (according to GSM |
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| spec.) |
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Receiver RF level | Better than – 102 | – 102 dBm | – 102 dBm |
| dBm |
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Receiver RX Bit error rate | < 2.4% | < 2.4% | < 2.4% |
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Tone and percussion maps in the T630/T628
The T630/T628 has a tone bank of 128
Tone map
GM | Poly | GM Tone Map | GM | Poly | GM Tone Map |
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0 | 1 | Acoustic Grand Piano | 65 | 1 | Alto Sax |
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1 | 1 | Bright Acoustic Piano | 66 | 1 | Tenor Sax |
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2 | 2 | Electric Grand Piano | 67 | 1 | Baritone Sax |
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3 | 2 | 68 | 1 | Oboe | |
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4 | 1 | Electric Piano 1 | 69 | 1 | English Horn |
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5 | 1 | Electric Piano 2 | 70 | 1 | Bassoon |
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6 | 1 | Harpsichord | 71 | 1 | Clarinet |
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66 | October 2003 |