User's Manual

B426-AB1510
Stereo Speaker Module For Intensive Audio Applications
B426-AB1510 Stereo Speaker Module for Intensive
Audio Applications Page 11 of 17 CONFIDENTIAL
Specification
Version 0.40 Sep-2015
Item Min. Typ. Max. Unit
Input Voltage 4.5 5 6.5 V
Charge Current (CC Mode) 25 400 mA
Trickle Charge Current 4 mA
Trickle Charge Threshold Voltage 2.92 V
Regulated Output (Float) Voltage 4.2 V
Table 4-4 Battery Charger
4.4 Radio Characteristics
4.4.1 Transmitter
Basic Data Rate
Core Supply Voltage = 1.8V @ 25 ℃
Item Min. Typ. Max. Unit
Maximum RF transmit Power 4 7 dBm
RF power control range 25 dB
20dB bandwidth for modulated carrier 900 KHz
Adjacent channel transmit
power
+2MHz -20 dBm
-2MHz -20 dBm
+3MHz -40 dBm
-3MHz -40 dBm
Frequency deviation
∆f1avg Maximum Modulation 165 KHz
∆f2max Minimum Modulation 140 KHz
∆f1avg/∆f2avg 0.9
Initial carrier frequency tolerance -75 75 KHz
Freq. Drift
DH1 packet -25 25 KHz
DH3 packet -40 40 KHz
DH5 packet -40 40 KHz
Freq. Drift Rate -20 20 KHz/50us
Harmonic Content -45 dBm
Table 4-5 Transmitter Basic Data Rate