User's Manual

VitalTech
Vital-Tech Electronics Limited Corporation &
MediaWave Intelligent Communication LTD.
VT-RT6MB BLE Module User Manual, Version 0.2beta
10
Copyright © 2022 Vital Tech Electronics Limited. All rights reserved.
TX Performance
Condition: VBAT=3V, ambient temperature=25°C
Parameter
Description
Note
Min.
Typ.
Max.
Unit
P
TX_MAX
Maximum output power
8
dBm
P
TX_ADJ
Adjacent channel power
ratio
(LE 1M)
+2MHz
-20
dBm
-2MHz
-20
dBm
≥ +3MHz
-30
dBm
≤ -3MHz
-30
dBm
F
MOD
Modulation Characteristics
(LE 1M)
∆f1avg
250
kHz
∆f2max
185
kHz
∆f2max pass rate
100%
-
∆f2avg / ∆f1avg
0.88
-
F
CAR_OFFSET
Carrier frequency offset and
drift
(LE 1M)
Average Fn
12.5
kHz
Drift rate
10
kHz/50s
Average drift
10
kHz/50s
Maximum drift
10
kHz/50s
P
TX_HD2
2
nd
harmonic power
-50
dBm
P
TX_HD3
3
rd
harmonic power
-50
dBm
⚫ Digital I/O Pin DC Characteristics
Condition: ambient temperature=25°C
Parameter
Description
Note
Min.
Typ.
Max.
Unit
V
IH33
Input high voltage
VDDIO=3.3V
2
3.3
3.6
V
V
IL33
Input low voltage
0
0.9
V
V
OH33
Output high voltage
2.97
3.3
V
V
OL33
Output low voltage
0
0.33
V
V
IH28
Input high voltage
VDDIO=2.8V
1.8
2.8
3.1
V
V
IL28
Input low voltage
0
0.8
V
V
OH28
Output high voltage
2.5
V
V
OL28
Output low voltage
0
0.28
V
R
pull
Strong Pull
VDDIO=3.3V
10
kOhm
VDDIO=1.8V
20
kOhm
Weak Pull
VDDIO=3.3V
100
kOhm
VDDIO=1.8V
200
kOhm
Strong Pull
(P2_2~P2_7)
VDDIO=3.3V
5
kOhm
VDDIO=1.8V
2.5
kOhm