CIRCUIT DESIGN LMD-400-R Instrukcja obsługi - Strona 4

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SPECIFICATIONS

LMD-400-R 438-442 MHz / 458-462 MHz
General characteristics
Item
Applicable standard
Communication method
Emission class
Modulation type
Operating frequency range
Operation temperature range
Storage temperature range
Aging rate
Initial frequency tolerance
Dimensions
Weight
Electrical specification <Common>
Item
Oscillation type
Frequency stability
(-20 to 60° C)
TX/RX switching time
Channel step
Data rate
Max. pulse width
Min. pulse width
Data polarity
PLL reference frequency
PLL response
Antenna impedance
Operating voltage
TX consumption current
RX consumption current
Transmitter part
Item
RF output power
Deviation
DI input level
Residual FM noise
Spurious emission
Adjacent CH power
Occupied bandwidth
OG_LMD-400-R-AB_v11e
Units
MIN
TYP
EN 300 113
Simplex, Half-duplex
F1D
GFSK
438.000
MHz
458.000
° C
-20
° C
-30
ppm
-1
ppm
-1.5
mm
30 x 50 x 9 mm
g
25 g
MIN
TYP
PLL controlled VCO
ppm
-2.5
ms
15
kHz
12.5
bps
2400
ms
15
us
200
Positive
MHz
21.25
ms
30
50
V
3.0
mA
52
mA
42
MIN
TYP
mW
10
kHz
+/-2.0
+/-2.4
V
0
kHz
0.08
dBm
nW
kHz
4
OPERATION GUIDE
All ratings at 25 +/-10 ° C unless otherwise noted
MAX
442.000
462.000
60
No dew condensation
75
No dew condensation
1
TX freq., RX Lo freq.
1.5
TX freq., RX Lo freq.
Not including antenna
MAX
2.5
Reference frequency at 25 ° C
20
DI/DO
4800
DO/DI
20
DO/DI
DO/DI
DO/DI
TCXO
60
from PLL setting to LD out
Nominal
5.5
56
Vcc = 3.0 V
46
Vcc = 3.0 V
MAX
Conducted 50
+/-2.8
PN9 4800 bps
5.5
L= GND, H = 3 V- Vcc
DI=L, LPF=20 kHz
-37
< 1000 MHz, conducted 50
-31
> 1000 MHz, conducted 50
200
PN9 4800 bps
8.5
PN9 4800 bps
Remarks
Remarks
Remarks
Circuit Design, Inc.