‘001’S
ERIES
R
ADIO
R
ECEIVER
D
ECODER
M
ODULES
.
•
Miniature RF Receiver /Decoder
•
K
ee
l
oq
Protocol
•
40 Pin DIL I/C Profile
•
Single Relay Option Available
•
Supplied As AM or FM
•
LED Indication Of Data Reception
•
Easy Learn Transmitter Feature
•
CMOS/TTL Outputs, Momentary or Latching
•
Single Supply Either 5V or 12V
•
Contacts 2A @ 12V
•
Available 433Mhz @ 10mW
•
Requires No Radio Licence
Applications
•
General Remote Control Systems
•
Garage Door Openers
•
Car, Caravan, Motorcycle Alarms
•
Remote Switching
•
Remote Gates
•
Paging
Description
This range of miniature modules are complete four channel RF receiver/decoders that can be configured for
many different low power short range telemetry applications.
All modules are plug-in dual-in-line (DIL) package with the same profile as a standard 40pin DIL I/C for easy
PCB mounting. A single relay option is an extended length module (removable) containing a BT/47 type relay.
The module requires connections to the power supply 5Vdc or 12Vdc and data outputs only. The unit may be
supplied with one of two AM receivers or an FM receiver configuration. An LED indicates data reception.
Each decoder is compatible with any
K
EE
L
OQ
transmitter/encoder. The decoder has an easy-to-use 'LEARN'
facility to allow the decoder to learn up to 50 transmitter/encoders.
Block Diagram
ANTENNA
Vcc
Link
Optional
RELAY
R
x
LINK
1
LINK
2
Decoder
Circuit
+5v
1
2
3
4
Program
Switch
0V
DS101-4
Aug ‘02
©2002
Reg. No. 277 4001, England.
Page 1
‘001’S
ERIES
R
ADIO
R
ECEIVER
D
ECODER
M
ODULES
.
Signal Allocation (from plan view of module)
+12V
0V
+5V
0V
1
2
3
4
O/P 1
O/P 2
O/P 3
O/P 4
LINK 2
LINK 2
LINK 1
LINK 1
+ve LED
PSW1
N/C
PSW1
N/C
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
PINS
36 -39,
22 -23
N/C
N/C
N/C
N/C
N/C
USED
BY
FM
RX
MODULE
ONLY
PINS
26 -28,
32,
35 -40
USED
BY
AM, AMS
Receivers
MODULE
ONLY
N/C
ANTENNA I/P
BREAK HERE
IF RELAY NOT
REQUIRED
RLY
CK1 CK2
P4/3
P4/2
P4/1
RELAY CONTACTS
NORMALLY CLOSED
COMMON
NORMALLY OPEN
NOT USED
Mechanical Details
RX MODULE
COMPONENTS
SIDE
PSW
1
LED
RELAY
15mm
(AM)
19.05mm
+/-0.2
2.54mm
FM RX
AM RX
AMS RX
20mm (AMS)
23mm (FM)
53.34mm +/- 0.2
75.57mm +/-0.2
1.9mm +/-0.1
FROM EDGE OF
PCB TO PCB
LOCATING
HOLES
PINS ON 0.1” PITCH
PINS ARE DIA 1mm
DS101-4
Aug ‘02
©2002
Reg. No. 277 4001, England.
Page 2
‘001’S
ERIES
R
ADIO
R
ECEIVER
D
ECODER
M
ODULES
.
Pin Description
Pin No
1
2
3
4
8
9
10
11
12
13
14
15
16
Name
+12V
0 VOLT
+5V
0 VOLT
O/P1
O/P2
O/P3
O/P4
LINK2
LINK2
LINK1
LINK1
+ve LED
Description
+12V Supply Voltage. Must be used for Relay operation
Ground for +12V Supply.
+5V Supply Voltage. Alternative supply if 12v supply not used. See Note
Ground for +5V Supply. See Note
Data output channel 1. Open collector Transistor output.
(This is used to drive the relay when fitted)
Data output channel 2. CMOS/TTL with series 220
Ω
resistor
Data output channel 3. CMOS/TTL with series 220
Ω
resistor
Data output channel 4. CMOS/TTL with series 220
Ω
resistor
Connect to pin 13 to make “Link2”
Connect to pin 12 to make “Link2”
Connect to pin 15 to make “Link1”
Connect to pin 14 to make “Link1”
External LED sink output, can be connected directly to cathode of external LED.
Connect Anode of the LED to +5V.
Indicates Data reception, and programming status.
Programming Switch, This is used when learning new transmitters.
Not connected. Can be used as locating pin for mounting the module
Connect to 17 to make “PSW1” switch.
Not connected. Can be used as locating pin for mounting the module
Connect Antenna to this input
The module uses these pins when configured as FM.
Not connected. Can be used as locating pin for mounting the module
The module uses these pins when configured as AM.
Not connected. Can be used as locating pin for mounting the module
The module uses these pins when configured as AM.
Not connected. Can be used as locating pin for mounting the module
The module uses these pins when configured as AM.
These pins are used when configured as an AM or FM module.
Relay contacts Normally Open
Relay contacts Common
Relay contacts Normally Closed
17
18
19
20
21
22 - 23
24 - 25
26 - 28
29 - 31
32
33 - 34
35
36 - 40
P4/1
P4/2
P4/3
NOTE:
PSW1
N/C
PSW1
N/C
ANT I/P
N/C
N/C
N/C
P4/1
P4/2
P4/3
The module is designed to be powered from either 12v or 5v
not both!
The 12v supply is necessary for relay operation.
AM Transmitter Keyfob Switch / Output Table
1 Switch Keyfob
2 Switch Keyfob
3 Switch Keyfob
O/P 1
Centre Switch
LH Switch
LH Switch
O/P 2
-
RH Switch
RH Switch
O/P 3
-
-
Top Switch (Red)
Link Status
Link1
Open
Open
Connected
Connected
Link2
Open
Connected
Open
Connected
O/P 1
Latch
Mom
Mom
Latch
O/P 2
Latch
Mom
Mom
Latch
O/P 3
Latch
Mom
Latch
Mom
O/P 4
Latch
Mom
Latch
Mom
DS101-4
Aug ‘02
©2002
Reg. No. 277 4001, England.
Page 3
‘001’S
ERIES
R
ADIO
R
ECEIVER
D
ECODER
M
ODULES
.
Learning / Erasing A New Transmitter
1.
2.
3.
4.
5.
6.
7.
Press and release the programming switch (PSW1)
Note that the LED will illuminate
Depress and release the transmitter once, LED on the decoder will extinguish
Depress and release the transmitter again, LED on the decoder will flash
After the LED has stopped flashing the transmitter has been successfully taught to the decoder
This transmitter will now operate the system
To completely erase the transmitters, press PSW1 on the decoder for 10 seconds. The LED will turn
off after the 10 seconds to indicate that the transmitter(s) have been erased
Synchronisation (Hopping Models Only)
This equipment requires the transmitter and receiver to be synchronised. If the transmitter has been
pressed more than 50 times outside the range of the receiver, the receiver will loose synchronisation with
the transmitter. To re-synchronise, press the transmitter twice within range of the receiver.
Antenna Design
For 99% of applications a 16.5cm piece of wire is quite adequate. The range achieved from the system is
dependent on the choice and position of the antenna. The space around the antenna is as important as
the antenna itself. The optimum position is to locate the antenna so that it protrudes directly out the top of
the transmitter box. If this is not possible due to other design constraints try to keep the antenna away
from other metal in the system such as transformers, batteries and PCB tracks, especially ground planes.
In particular the ‘HOT’ end of the antenna should be kept as far away as possible from these.
For further information on antenna design please see our full product catalogue.
Minimum Output Time
The following timing can be used to calculate the minimum on and off time for the outputs on the Keeloq
decoder.
Button press on encoder to output on decoder changing state <100mS
Button release on encoder to output on decoder going to original state < 300mS
Data Outputs
Output 1 is used to drive the on-board relay (if fitted), it is an open collector type output.
Outputs 2,3 & 4 are digital CMOS/TTL with a series 220Ω protection resistor
The outputs are configured by Link 1 & 2
Removal Of Relay
If the relay is not required, remove the connecting links “CK1” & “CK2”. The PCB may then be carefully
broken along the score lines between the relay and the rest of the board.
DS101-4
Aug ‘02
©2002
Reg. No. 277 4001, England.
Page 4
‘001’S
ERIES
R
ADIO
R
ECEIVER
D
ECODER
M
ODULES
.
Absolute Maximum Ratings (AM & FM)
Supply Voltage (+12Vcc to GND)........................................-0.3 to +17 Volts.
Supply Voltage (+5Vcc to GND)..........................................-0.3 to + 6 Volts.
Storage Temperature..........................................................-30 to +85o Celsius.
Operating Temperature....................................................... 0 to +55o Celsius.
Technical Specification (AM & FM)
Ambient temperature
= 25
o
Celsius.
Electrical Characteristics
Supply Voltage for +12 v
Supply Voltage for +5 v
Data output: (Ch 2, 3, & 4)
Logic Low
Logic High
Data output: (Ch 2, 3, & 4)
Logic Low
Logic High
Data output :Ch 1 (open collector)
Relay Rating
Min
9
4.5
0
3.5
Typical
12.0
5.0
0.2
3.8
Max
16.0
5.5
0.8
5
-25
20
50
2
Dimension
V
V
V
V
mA
mA
mA
A
Note
SINGLE
SUPPLY ONLY!
I out = 10mA
I out = 10mA
Relay removed
@ 12 V DC
Electrical Characteristics Unique To AM Decoders
Electrical Characteristics
Operating Temperature Range
Supply Current (quiescent)
Supply Current (operating relay)
Working Frequency
Tuning Tolerance
-3dB Bandwidth
R.F Sensitivity (100% AM)
Level of Emitted Spectrum
EMC Compliance
Min
0
Typical
9
50
200
Max
70
70
450
+/- 0.5
+/- 3
Unit
V
mA
mA
MHz
MHz
MHz
dBm
dBm
-100
+/- 0.2
+/- 2
-105
-65
-60
Complies to ETS300-339
Electrical Characteristics Unique To FM Decoders
Electrical Characteristics
Supply Current (quiescent)
Supply Current (operating relay)
Overall Frequency Accuracy
Sensitivity for 20dB S/N
IF Bandwidth
Min
Typical
20
40
0
0.5
250
Max
75
+100
1.0
Unit
mA
mA
KHz
µV
KHz
-100
-
DS101-4
Aug ‘02
©2002
Reg. No. 277 4001, England.
Page 5
