User's Manual

6 /17
OCT 29, 2020
USER MANUAL
WSB520S
Wireless Audio Transceiver, 5GHz
24.0x40.4x3.2[mm], 24pin FFC
Version:
01
5-3. Electrical Characteristics – DC
Typical specifications at TA = 25°C, VDD = 5V
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Current
Continuous TX (TX Module)
400
mA
Linked status for TX
57
Searching for TX
86
Continuous RX
26
Linked status for RX
26
Searching for RX
75
CMOS I/O Logic Levels –
VDDIO 3.3V
Input Voltage Logic Low, VIL
0.6
V
Input Voltage Logic High, VIH
VDDIO -
0.6V
Output Voltage Logic Low, VOL
0.3
Output Voltage Logic High, VOH
VDDIO -
0.3V
5-4. Electrical Characteristics – RF TX
Operating Conditions: TA = -5°C to +40 °C, RF Freq = 5150~5250/5725‐5875MHz, measured to the RF conducted ports.
Typical specifications at TA = 25°C, VDD = 5V
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
RF Channel Frequency Range
Low band
5154.35
5248.35
MHz
High band
5727.35
5847.35
RF bandwidth
4
dBm
RF Modulation scheme
Phi/4-DQPSK
RF carrier scheme
DSC (Dual side carrier
TX Output power (Aging)
Power
setting
High-band, 0X13
8
dBm
Low-band, 0x0b
8
TX Spurious (harmonic)
2nd
-55
dBm
3rd
-55
dBm
RF I/O Impedance
ANT1, ANT2
50
ohm
LO leakage
-20
dBc