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PDF T5-434-5-20B Data sheet ( Hoja de datos )

Número de pieza T5-434-5-20B
Descripción FM Radio Transmitter & Receiver Modules
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FM Radio Transmitter & Receiver Modules
T5 / R5
Features
Miniature SIL package
Fully shielded
Data rates up to 128kbits/sec
Range up to 300 metres
Single supply voltage
Industry pin compatible
T5-434
Temp range -20°C to +55°C
No adjustable components
High shock resistance
Temperature compensated RF output
Applications
Vehicle alarm systems
Remote gate controls
Garage door openers
Domestic and commercial security
General Description
The T5 and R5 data link modules are miniature
UHF radio modules, which enable the
implementation of a simple telemetry link upto 300
metres, and at data rates of up to 128Kbit/s
The T5 and R5 modules will suit one-to-one and
multi-node wireless links in applications including
building and car security, remote industrial
process monitoring and computer networking.
The ‘B’ derivative parts offer a cost reduced
version.
R5-434
High sensitivity
Analogue / Digital Outputs
Signal strength output (RSSI)
On board AGC
Single conversion FM Super-Het
Double RF filtering (inc saw front end)
The receiver is based on the classical superhet
single conversion architecture utilising a PLL xtal
referenced oscillator which yields a highly stable
IF frequency (10.7 MHz). This hence allows use of
high Q bandpass filters offering excellent adjacent
channel rejection and hence high interference
Immunity.
Because of its small size and low power
requirements, these modules are ideal for use in
portable battery powered wireless applications.
DS305-7 Feb ‘04
©2004 REG No 277 4001, England.
Page 1

1 page




T5-434-5-20B pdf
FM Radio Transmitter & Receiver Modules
T5 / R5
Electrical Characteristics: Receiver R5 ‘B’ Parts
Please note that the ‘B’ devices are supplied without can shield.
min. typ. Max.
DC LEVELS
Supply voltage
Supply current
Supply ripple
Data output high
Data output low
4.5 5.0 5.5
6
- - 10
=>4.0
<=0.5
units
Volts
mA
mVp-p
V
V
notes
RF
RF sensitivity
IF Bandwidth
Initial signal accuracy
Max. RF input
-103
230
±22
20
dBm
KHz
KHz
dBm
1
E.M.C
Spurious responses upto 1GHz
LO leakage, conducted
LO leakage, radiated
Image Rejection
<60 dB
<60 dBm
<60 dBm
60 dBm
Dynamic Timings
Power up to stable data
(With RF signal present)
Signal to stable data
(With power supply already on)
Power up to valid RSSI
(With RF signal present)
Data Pulse Widths
(SeeNote 2)
30 35 mS 20Kbps Part
5 7 mS 64Kbps Part
2.5 mS 20Kbps Part
1 mS 64Kbps Part
1 mS All Versions
50
6000
uS 20Kbps Part
20 700 uS 50Kbps Part
3. IF bandwidth available down to 27KHz
4. The data slicer is optimised for a 50:50 duty cycle, hence for reliable communications data should be
encoded using a suitable scheme such as Manchester Encoding, though pulse width modulation up to
30:70/70:30 can also be utilised.
DS305-7 Feb ‘04
©2004 REG No 277 4001, England.
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