LMX9830 Bluetooth™ Serial Port Module

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LMX98307.0 General Specifications (Continued)Table 8. Transmitter Performance CharacteristicsSymbol Parameter Condition Min Typ 1 Max UnitP OUT RF Transmit Output Power 2.402 GHz -4 0 +3 dBm2.441 GHz -4 0 +3 dBm2.480 GHz -4 0 +3 dBmMOD ∆F1 AVG Modulation Characteristics Data = 00001111 140 165 175 kHzMOD ∆F2 MAX 2 Modulation Characteristics Data = 10101010 115 125 kHz∆F2 3AVG /∆F1 AVGModulation Characteristics 0.820 dB Bandwidth 1000 kHzP OUT 2*f o4PA 2 nd HarmonicSuppressionMaximum gain setting:f 0 = 2402 MHz,P out = 4804 MHz-30 dBmZ RFOUT5RF Output Impedance/InputImpedance of RF Port(RF_inout)P out @ 2.5 GHz 47 Ω1. Typical operating conditions are at 2.75V operating voltage and 25 o C ambient temperature.2. ∆F2max > 115 kHz for at least 99.9% of all ∆f2max.3. Modulation index set between 0.28 and 0.35.4. Out-of-Band spurs only exist at 2nd and 3rd harmonics of the CW frequency for each channel.5. Not tested in production.Table 9. Synthesizer Performance CharacteristicsSymbol Parameter Condition Min Typ Max Unitf VCO VCO Frequency Range 2402 2480 MHzt LOCK Lock Time f 0 + 20 kHz 120 µs∆f 0 offset 1 Initial Carrier Frequency Tolerance During preamble -75 0 75 kHz∆f 0 drift 1 Initial Carrier Frequency Drift DH1 data packet -25 0 25 kHzDH3 data packet -40 0 40 kHzDH5 data packet -40 0 40 kHzDrift Rate -20 0 20 kHz/50µst D -Tx Transmitter Delay Time From Tx data to antenna 4 µs1. Frequency accuracy is dependent on crystal oscillator chosen. The crystal must have a cumulative accuracy of < +/-20ppm to meet Bluetooth specifications.www.national.com 10
7.0 General Specifications (Continued)7.3 PERFORMANCE DATA (TYPICAL)LMX9830Figure 2. ModulationFigure 4. Corresponding Eye DiagramFigure 5. Synthesizer Phase NoiseFigure 3. Transmit SpectrumFilter Insertion Loss0-2-4IL (dB)-6-8-102.1E+09 2.2E+09 2.3E+09 2.4E+09 2.5E+09 2.6E+09 2.7E+09 2.8E+09Frequency (Hz)Figure 6. Front-End Bandpass Filter Response11 www.national.com
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LMX9830 Bluetooth™ Serial Port Module

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