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MTX-103
UHF AM TRANSMITTER MODULE
P
R
E
L
I
M
I
N
A
R
Y
Parameters
Test Conditions
Min
Typ
Max    Unit
Power Supply
Operating Current
21
mA
MARK/SPACE Ratio
33%@868MHz
33%@915MHz
16
17
mA
mA
Standby supply current
0.1
礎
MARK supply current
@868MHz
@915MHz
19
20
26.5
27.5
mA
mA
SPACE supply current
@868MHz
@915MHz
14
15
18
21
mA
mA
Quiescent Current
REG-EN = 0.4V (shutdown)
0.01
礎
Operating Voltage
Regulated
Not Regulated
5
4.75
16
5.5
V
V
RF Output Section and Modulation Limits
Maximum Power Level
@868MHz
@915MHz
-3
-3
dBm
dBm
Output Power Variation
over supply and temperature
?
dBm
Extinction ratio for ASK
38
45
dBc
Digital Section
Calibration time
Note 6, ASK=HIGH
20
ms
Power amplifier output hold off time
from STBY
Note 4, STDBY transition from LOW
to HIGH Crystal, ESR < 20ohms
5
ms
Transmitter Stabilization Time from
STBY
From External Reference (500mVpp)
Crystal, ESR < 20ohms
9
12
ms
ms
Maximum Data Rate
Duty cycle of modulating signal=50%
115
kbits/s
STBY HIGH
enable voltage
0.8VCC
V
STBY LOW
0.1VCC
V
ASK pin
Input high voltage
Input low voltage
0.8VCC
0.1VCC
V
V
ASK input current
ASK = 0V, 5.0V input current
-10
0.1
10
礎
Electrical Characteristics
This device is ESD sensitive. Do not operate or store near strong electrostatic fields. Use appropriate ESD
precautions. All voltages are with respect to Ground.
Sym
Parameters
Min
Typ
Max
Unit  Notes
Absolute Maximum Ratings
VCC
Supply Voltage - Regulated
Supply Voltage - Not Regulated
5
4.75
16
5.5
V
V
Storage Temperature Range
0
70
癈
Lead Temperature
300
癈
V
EN
Enable Input Voltage
0
16
V
Operating Ratings
Maximum Supply Ripple Voltage
10
mV
PC Input Range
0.1
0.4
V
V
EN
Enable Input Voltage
0
VCC
V
TA
Ambient operating temperature
0
70
癈
Electrical Limits