T7G-434.075 QUASAR, T7G-434.075 Datasheet

TRANSMITTER, NARROW BAND, 434.075

T7G-434.075

Manufacturer Part Number
T7G-434.075
Description
TRANSMITTER, NARROW BAND, 434.075
Manufacturer
QUASAR
Datasheet
1.R7G-434.075.pdf (7 pages)

Specifications of T7G-434.075

Svhc
No SVHC (18-Jun-2010)
Current Rating
25mA
Data Rate Max
20Kbps
External Depth
10mm
External Length / Height
3.5mm
External Width
31mm
Frequency
434.075MHz
Operating Temperature Max
70°C
Features
•
•
•
•
•
•
•
•
•
•
T7/R7 Modules
•
•
T7G/R7G Modules
•
•
•
General Description
The T7/R7 series are miniature narrow band
transmitter and receiver UHF radio modules,
which enable the implementation of a simple
telemetry link at data rates up to 20Kbits/s.
These narrow band UHF radio modules provide a
very high RF performance for general purpose
applications.
The transmitter modules have a power output of
up to 25mW. When combined with a very high
receiver sensitivity these modules obtain a very
high performance of range and reliability within
the 433MHz band.
DS307-7 Oct 05
Miniature SIL Package
FM Narrow Band
Fully Shielded
Narrow Band Crystal Stabilised
Data Rates Up To 20 Kbits/S
En 300-220 Compliant
Data & AF Out
CD Implemented On Data Output
RSSI Output
Selective Ceramic IF Filters
Wide Operating Voltage (2.2 - 10 Vdc).
Optimal Range 600 metres
3 or 5 Volt Operating Voltage
3 Channels available from Stock
Optimal Range 1,000 metres
FM 433MHz Narrow Band
©2004 REG No 277 4001, England.
Applications
•
•
•
•
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Available for operation between 433.075 and
434.725 MHz in 25KHz steps there are currently 3
different frequency channels available from stock.
(others available to special order)
The T7G and R7G genesis modules represent the
latest generation of narrow band transmitters.
They retain the same industry standard footprints
and are fully compatible with the T7 and R7
modules to enable incorporation into both new
and existing designs. The improved sensitivity of
the R7G enables a range of up to 1Km when used
with the T7G modules.
Telemetry Systems
Wireless Networking
Domestic And Commercial Wireless Security
Systems
Panic Attack Facility
Remote Control For Cranes Etc
Page 1
T7G / R7G
T7 / R7

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T7G-434.075 Summary of contents

Page 1

... MHz in 25KHz steps there are currently 3 different frequency channels available from stock. (others available to special order) The T7G and R7G genesis modules represent the latest generation of narrow band transmitters. They retain the same industry standard footprints and are fully compatible with the T7 and R7 modules to enable incorporation into both new and existing designs ...

Page 2

... FREQ/MHz 1 433.075(2) 18 433.925(2) 2 433.125(2) 19 433.975(2) 3 433.175(2) 20 434.025(2) 4 433.225(2) 21 434.075 (1) 5 433.275(2) 22 434.125(2) 6 433.325(2) 23 434.175(2) 7 433.375(2) 24 434.225(1) 8 433.425(2) 25 434.275(2) 9 433.475(2) 26 434.325 (2) 10 433.525(2) 27 434.375(2) 11 433.575(2) 28 434.425(2) 12 433.625(2) 29 434.475(2) 13 433.675(2) 30 434.525 (1) 14 433.725(2) 31 434.575(2) 15 433.775(2) 32 434.625(2) 16 433.825(2) 33 434.675(2) 17 433.875(2) 34 434.725( T7G / R7G Page 2 ...

Page 3

... Description SIL Transmitter 434.075MHz SIL Transmitter 434.075MHz SIL Transmitter 434.075MHz, 3 Volt version SIL Transmitter 434.225MHz SIL Transmitter 434.525MHz SIL Transmitter 434.525MHz, 3 Volt version T7G / R7G T7G Min. Max. -10°C +55°C -40°C +100°C - 5.5V - 5.5V Units Pin Notes Max. 5.5 ...

Page 4

... Description SIL Receiver 434.075MHz SIL Receiver 434.075MHz SIL Receiver 434.075MHz SIL Receiver 434.075MHz T7G / R7G R7G Min. Max. -10°C +55°C -40°C +100°C - 5.5V - +10dBm (10mW) R7G Units Notes Typ. Max P-P => ...

Page 5

... FM 433MHz Narrow Band Transmitter Connection Diagram Figure 1: Narrow Band T7 / T7G Transmitters Pin Description: RF GND (pin 1) RF ground pin, internally connected to pin 4 (0v). This pin should ideally be connected to the nearest ground plane ( e.g coax braid, main PCB ground plane etc OUT (pin 2) 50 Ohm RF antenna output ...

Page 6

... A5 D11 DATA OUT D10 DATA OUT DATA OUT VSS D8 DATA OUT 1 HT12D + VDD DOUT R OSC OSC1 OSC2 TE AD11 AD10 AD9 9 10 VSS AD8 HT12E Figure 5: FM Narrow Band Transmitter & Receiver Application Circuits Page T7G / R7G ANTENNA + GR7 ANTENNA + GT7 ...

Page 7

... FM 433MHz Narrow Band Reducing Power to 10mW If the T7G transmitter will be used with an efficient antenna in countries where only 10mW radiated power is allowed, then a simple resistive network on the output of the module will attenuate the power down to this level. Circuit Diagram 22ohm ANTENNA 220 ohm ...

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