Linx Technologies TRM-xxx-TT - Manual (Page 4)

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TT Series Transceiver Specifications
Parameter Symbol Min. Typ. Max. Units Notes
Power Supply
Operating Voltage V
CC
2.5 5.5 VDC
Peak TX Supply Current I
TX
TT @ +12.5dBm 33.9 38.1 mA 1,2
TT @ 0dBm 15.2 18.9 mA 1,2
TT-A @ +23.5dBm TBD mA 1,2
TT-A @ 0dBm TBD mA 1,2
Average TX Supply Current
TT @ +12.5dBm 21.3 mA 1,2
TT-A @ +12.5dBm TBD mA 1,2
RX Supply Current I
RX
18.8 23 mA 1,2
Standby Current I
SBY
200 µA 1,2
Power-Down Current I
PDN
0.1 µA 1,2
Electrical Specifications
Ordering Information
Ordering Information
Part Number Description
TRM-900-TT 900MHz TT Series Remote Control and Sensor Transceiver
TRM-900-TT-A 900MHz Amplified TT Series Remote Control and Sensor Transceiver
EVM-900-TT 900MHz TT Series Evaluation Module
EVM-900-TT-A 900MHz Amplified TT Series Evaluation Module
EVAL-900-TT TT Series Basic Evaluation Kit
EVAL-900-TT-A Amplified TT Series Basic Evaluation Kit
MDEV-900-TT TT Series Master Development System
MDEV-900-TT-A Amplified TT Series Master Development System
Transceivers are supplied in tubes of 18 pcs.
Figure 2: Ordering Information
TT Series Transceiver Specifications
Parameter Symbol Min. Typ. Max. Units Notes
RF Section
Operating Frequency Band F
C
902 928 MHz 3
Number of Channels 25 3
Channel Spacing 500 kHz 3
Modulation Rate 45 kbps
Receiver Section
Spurious Emissions Per FCC 15.109
Receiver Sensitivity –110 –111 dBm 5
RSSI Dynamic Range 64 dB
Transmitter Section
Output Power P
O
TRM-xxx-TT −15.5 +12.5 dBm 6
TRM-xxx-TT-A TBD TBD dBm 6
Output Power Control
Range
28 dB
Harmonic Emissions P
H
Per FCC 15.109
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
8.0 80 ms 4,13
Via POWER_DOWN 8.0 80 ms 4,13
Via Standby 6.8 ms 4
Serial Command Response
Factory Reset/Erase Table 620 ms 8
Write NV Parameter 16 ms 8
Write V/Read/Control 3 ms 8
IU to RU Status High 16 53 ms 7
Channel Dwell Time 12.3 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