Hardware Interface Description - KORE Telematics

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XT55/56 Hardware Interface Description Confidential / Released s Burst Current PCS1900 (V BATT+ =4.1V) 1 0.9 0.92 0.8 0.7 1 TX - Peak current Current (Amps) 0.6 0.5 0.4 0.6 0.42 0.3 0.2 0.3 0.24 0.1 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Power Control Level Test conditions: T amb = 25°C, V GSM_BATT+ nom = 4.1V Figure 46: Peak current consumption during transmit burst in GSM 1900 network XT55/56_hd_v02.06a Page 100 of 125 17.12.2004
XT55/56 Hardware Interface Description Confidential / Released s 1600 1400 Service mode GSM900 ch.124 Variations in current with 0.4dB return loss (all phases) 1200 Current (mA) 1000 800 ch.124 PCL5 600 400 200 0 Burst (max) Burst (min) Average Current (Max) Average Current (Min) 1000 900 800 Service mode PCS1900 ch.661 Variations in current with 0.6dB return loss (all phases) 700 Current (mA) 600 500 400 ch.661 PCL0 300 200 100 0 Burst (max) Burst (min) Average Current (Max) Average Current (Min) Test conditions: T amb = 25°C, V GSM_BATT+ nom = 4.1V measured at TP GSM_BATT+ and GND, 1 TX slot Figure 47: Typical current consumption vs. return loss XT55/56_hd_v02.06a Page 101 of 125 17.12.2004
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