–
–
–
–
2
3
TT Series Transceiver Specifications
Parameter
Symbol
Min.
Typ.
Max.
Units Notes
Power Supply
Operating Voltage
V
CC
2.5
5.5
VDC
TX Supply Current
l
CCTX
At +12.5dBm
33.9
38.1
mA
1,2
At 0dBm
15.2
18.9
mA
1,2
RX Supply Current
l
CCRX
19.2
22.7
mA
1,2
Standby Current
l
STD
TBD
mA
1,2
Power-Down Current
l
PDN
1.0
µA
1,2
RF Section
Operating Frequency Band
F
C
902
928
MHz
3
Center Frequency Accuracy
–5
+5
kHz
2
Number of Channels
25
3,10
Channel Spacing
500
kHz
3
Modulation Rate
45
kbps
Receiver Section
Spurious Emissions
−62
dBm
Receiver Sensitivity
-111
dBm
5
RSSI Dynamic Range
64
dB
Transmitter Section
Output Power
P
O
−15.5
+12.5
dBm
6
Output Power Control
Range
28
dB
Harmonic Emissions
P
H
−42
–36
dBc
7
Frequency Deviation
±70
kHz
Electrical Specifications
Ordering Information
Ordering Information
Part Number
Description
TRM-900-TT
900MHz TT Series Remote Control Transceiver
MDEV-900-TT
TT Series Master Development System
Figure 2: Ordering Information
TT Series Transceiver Specifications
Parameter
Symbol
Min.
Typ.
Max.
Units Notes
Antenna Port
RF Impedance
R
I N
50
Ω
Environmental
Operating Temp. Range
−40
+85
ºC
Storage Temp. Range
−55
+125
ºC
Timing
Module Turn-On Time
Via V
CC
TBD
TBD
ms
4
Via POWER_DOWN
TBD
TBD
ms
4
Via Standby
TBD
TBD
ms
4
Serial Command Response
Factory Reset/Erase Table
560
ms
11
Write NV Parameter
8
38
ms
11
Write V/Read/Control
2
13
ms
11
IU to RU Status High
4
50
ms
10
Channel Dwell Time
12.3
12.7
ms
Interface Section
POWER_DOWN, ACK_EN
Logic Low
V
I L
V
CC
*0.2
VDC
Logic High
V
I H
V
CC
*0.8
V
CC
VDC
Input
Logic Low
V
I L
0.8
VDC
Logic Low
V
I L
Logic High
V
I H
Logic High
V
I H
2
5.5
VDC
Output
Logic Low
V
OL
0.6
VDC
Logic High
V
OH
V
CC
–0.7
V
CC
VDC
Certifications
Modular Certifications
FCC, Industry Canada
Transceivers are supplied in tubes of 18 pcs.
1. Measured at 3.3V V
CC
2. Measured at 25ºC
3. Guaranteed by design
4. Characterized but not tested
5. BER=10
–3
6. Into a 50-ohm load
7. P
O
=+12.5dBm (max output power)
8. 4.5V
≤
V
CC
≤
5.5V
9. V
CC
≤
4.5V
10. No RF interference
11. Response time is from end of
command to start of response
Figure 3: Electrical Specifications
Содержание MDEV-900-TT
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