AM Hybrid Transmitter
Features
•
•
•
•
•
•
Complete RF Transmitter
CMOS / TTL Input
No Adjustable Components
Very Stable Operating Frequency
Low Current Consumption
Low Spurious Emissions
AM-RT4-XXX
AM-RT5-XXX
AM-RTQ4-XXX
AM-RT14-XXX
Applications
•
Wireless Security Systems
•
Car Alarms
•
Remote Gate Controls
•
Remote Sensing
•
Data Capture
•
Sensor Reporting
RT4 / RT5
•
Available as 315, 418, 433 MHz
•
Range up to 70 metres
•
Available In DIL or SIL Package
•
Wide Operating Voltage
RTQ4 / RT14
•
High Output Power
•
Range 100+ metres
•
Available as 433, 868 MHz
Description
The R F Solutions Ltd. AM hybrid transmitter module provides a complete RF transmitter which can be used
to transmit data at up to 4KHz from any standard CMOS/TTL source.
The module is very simple to operate and offers low current consumption (typ. 4 mA). Data can be supplied
directly from a microprocessor or encoding device, thus keeping the component count down and ensuring a
low hardware cost.
The module exhibits extremely stable electronic characteristics due to the use of ‘Thick-Film’ hybrid
technology, which uses no adjustable components and ensures very reliable operation.
The modules are compatible with R F solutions Ltd. range of AM receivers to provide a complete solution.
Ordering Information
Part Number
AM-RT4-XXX
AM-RTQ4-XXX
AM-RT5-XXX
AM-RT14-XXX
AM-RT14-XXX-SO
Description
DIL AM Transmitter Module XXX MHz
DIL AM Transmitter Module XXX MHz
SIL AM Transmitter Module XXX MHz
DIL AM Transmitter Module XXX MHz, SAW Resonator
SMT AM Transmitter Module XXX MHz, SAW Resonator
Other Frequencies available on request
Other Frequencies available on request
Other Frequencies available on request
Frequency Availability
RT4 / RT5:
XXX
= 315, 418, 433MHz
RTQ4:
XXX
= 868MHz
RT14:
XXX
= 433MHz
DS013-7
Jan ’08
©2008
REG No 277 4001, ENGLAND.
Page 1
AM Hybrid Transmitter
Mechanical Dimensions
AM-RT4-XXX
AM-RT14-XXX
AM-RT4-XXX
AM-RT5-XXX
AM-RTQ4-XXX
AM-RT14-XXX
17.78
Components
Underneath
3.90
17.78
Components
3.90
1
2
4
3
10.16
5.08
1.50
1
2
4
3
10.16
5.08
1.50
AM-RT14-XXX-SO
AM-RTQ4-XXX
17.78
Components
3.25
17.78
Components
3.90
1
2
4
3
10.16
5.08
1.50
1
2
4
3
10.16
5.08
2.50
AM-RT5-XXX
17.78
4.00
Component Side
11.43
Notes
Pins on 0.1" pitch
Pin Dimensions: 0.25 x 0.50mm
All measurements in mm
Tolerance: +/- 0.2mm
The component side differs depending on module
1 2
6 7
1.00
2.54
Pin Descriptions
RT4 / RTQ4 / RT14
1
2
3
4
RT5
7
6
2
1
Name
Vcc
GND
IN
ANT
Description
Supply Voltage
Ground, Connect to RF earth return path
Data input
External Antenna
DS013-7
Jan ’08
©2008
REG No 277 4001, ENGLAND.
Page 2
AM Hybrid Transmitter
RT4/RT5: Electrical Characteristics
Ambient temp = 25° unless otherwise stated.
C
AM-RT4-XXX
AM-RT5-XXX
AM-RTQ4-XXX
AM-RT14-XXX
Characteristic
Supply Voltage
Supply Current (
Vcc=5V IN=1kHz)
Supply Current (
Vcc=5V IN=DC GND)
Working Frequency
Frequency Tolerance
RF Output Power into 50Ω
(
Vcc=5V)
Harmonic Spurious Emissions
Input Voltage High
Time from Power on to data transmission
Data Rate
Operating Temperature
RTQ4: Electrical Characteristics
Ambient temp = 25° unless otherwise stated.
C
Min.
2
Typ.
4
50
Max.
14
303.8
0
-30
2
10
50
-25
433.92
+/-100
Vcc
9,600
+80
Dimensions
Vdc
mA
nA
MHz
KHz
dBm
dBc
V
µ
Sec
Hz
°
C
Characteristic
Supply Voltage
Supply Current (
Vcc=5V IN=1kHz)
Working Frequency
Frequency Tolerance
RF Output Power into 50Ω
(
Vcc=4V)
Harmonic Spurious Emissions
Input Voltage High
Power-Up
Data Rate
Operating Temperature
RT14: Electrical Characteristics
Ambient temp = 25° unless otherwise stated.
C
Min.
1.9
Typ.
12
868.35
Max.
5
-35
+5
0.7*Vcc
50
-25
+35
+7
-50
1
9,600
+80
Dimensions
Vdc
mA
MHz
KHz
dBm
dBc
V
mSec
Hz
°
C
Characteristic
Supply Voltage
Supply Current (
Vcc=5V IN=1kHz)
Working Frequency
RF Output Power into 50Ω
(
Vcc=4V)
Harmonic Spurious Emissions
Input Voltage High
Data Rate
Operating Temperature
Min.
2
Typ.
8
433.92
+12
-55
Max.
9
+10
2
50
-25
Vcc
9,600
+80
Dimensions
Vdc
mA
MHz
dBm
dBc
V
Hz
°
C
R. F. Solutions Ltd.,
Unit 21, Cliffe Industrial Estate,
South Street, Lewes,
E Sussex, BN8 6JL, England.
Tel +44 (0)1273 898 000. Fax +44 (0)1273 480 661.
Email:
sales@rfsolutions.co.uk
Web:
http://www.rfsolutions.co.uk
DS013-7
Jan ’08
©2008
REG No 277 4001, ENGLAND.
Page 4
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