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RF RECEIVER DECODER HYBRID.
Features * Miniature RF Rx/Decoder System.
* Superhet Rx with Keeloq Decoding * Advanced Laser Trimmed Hybrid * Range up to 100 Metres * Easy Learn Transmitter Feature. * CMOS/TTL Outputs, Momentary or Latching. * Direct Led Drive Data Reception * Single Supply 5V * Low Power Consumption * EMC Compliant for use in Europe * FCC Certified for use in USA
AM-HIRK
Applications
* General Remote Control Systems. * Garage Door Openers. * Car, Caravan, Motorcycle Alarms
* Remote Switching. * Remote Gates. * Paging.
Description
This miniature single in line (SIL) hybrid module is a complete three channel Radio Receiver/Decoder. When used with the AM-110 series pocket keyfobs a complete remote telemetry system is obtained with upto 80metres range. The module consists of a front end Super-Heterodyne RF receiver with an embedded microcontroller decoding a highly secure Keeloq protocol signal. The module has an easy-to-use 'LEARN' facility, and is capable of learning up to 50 unique keyfob encoders. The module requires a 5V power supply, and provides a data reception direct LED drive and three digital data outputs. The outputs may be programmed for momentary or latching configuration.
Application Circuit
Data Outputs AM-HiRX 1 7 11 13 16 18 25
1 Not Used 3 2
Vcc Data Reception & Learn LED
Vcc GND Link 1 & 2 (PSW)
Program Switch
DS097-5
Feb `02
(c)2002 REG No 277 4001, England.
Page 1
RF RECEIVER DECODER HYBRID.
Pin Descriptions Pin No 1 2 3 7 11 13 14 15 16 18 19 20 21 22 23 24 25 Name Vcc-RF GND-RF ANT GND-RF GND-AF TP O/P-AF Vcc-AF GND-AF Link2 Link1 PSW LED O/P2 O/P3 O/P4 O/P1 +5V Supply Voltage RF Ground Connect Antenna to this input RF Ground AF Ground Test Point Data output from RF receiver (CMOS/TTL signal) +5V Supply Voltage AF Ground Connect to GND to make Link, may be left O/C if not required Connect to GND to make Link, may be left O/C if not required Description
AM-HIRK
Programming Switch input, This is used when learning new transmitters. 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. Active High data Output 2 (has a 220 series resistor) Active High data Output 3 (has a 220 series resistor) Not Used Active High data Output 1 (has a 220 series resistor)
Mechanical Details
63.5mm
14.5mm
12 3
7
11 13
18
25
See detail 'A'
Pins are on 0.1" Pitch
1.0mm
Detail 'A'
DS097-5
Feb `02
(c)2002 REG No 277 4001, England.
Page 2
RF RECEIVER DECODER HYBRID.
Learning a New Transmitter Encoder 1. Briefly press the programming switch (PSW). 2. Learn LED will illuminate. 3. Depress the transmitter once, Learn LED will extinguish. 4. Depress the transmitter again, Learn LED will flash. (approx 10secs). 5. Wait for Learn LED to stop flashing. 6. This transmitter will now operate the system.
AM-HIRK
Erasing The HiRK Memory 1. Press and hold PSW , Learn LED will illuminate for approximately 10 seconds while the HiRK erases its memory. 2. When Learn LED has turned off release PSW 3. Memory is now erased Antenna Design For 99% of applications a 17cm 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 is 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. Data Outputs Outputs 1,2, & 3 are digital CMOS/TTL (PIC Micro) with a series 220 protection resistor. Outputs are all normally Low, active high. Link Status Link1 Open Open Connected Connected Link2 Open Connected Open Connected Transmitter Switch 1 2 3 O/P 1 O/P 2 O/P 3 LATCH LATCH LATCH MOM MOM MOM MOM MOM LATCH LATCH LATCH MOM
1 Switch Keyfob 2 Switch Keyfob 3 Switch Keyfob
Transmitter Encoder Switch O/P 1 O/P 2 Centre Switch LH Switch RH Switch LH Switch RH Switch
O/P 3 Top Switch (Red)
DS097-5
Feb `02
(c)2002 REG No 277 4001, England.
Page 3
RF RECEIVER DECODER HYBRID.
Absolute Maximum Ratings
Supply Voltage (+5Vcc to GND)..........................................-0.3 to + 6 Volts. o Storage Temperature..........................................................-30 to +85 Celsius. o Operating Temperature....................................................... 0 to +70 Celsius.
AM-HIRK
Technical Specification
Ambient temperature = 25 Celsius.
o
Electrical Specification Supply Voltage Supply Current (quiescent) Receiver Frequency Receiver Frequency Working Frequency
(custom Frequencies Available) Turn on Time
Min 4.5
Typical 5.0 6 315.0 433.92
Max 5.5
200 20 +/- 400 -106 -70
450
Dimension V mA MHz MHz MHz mSecs KHz dBm dBm
Note
Please contact Sales Dept
-3dB Bandwidth R.F Sensitivity (100% AM) Level of Emitted Spectrum Data output: (any data output) Logic Low Logic High Data output: (any data output) Logic Low Logic High EMC Compliance Part Numbering PART No AM-HiRK-315 AM-HiRK-433 DESCRIPTION AM Superhet Rx Decoder AM Superhet Rx Decoder
-70
0 3.5
0.2 3.8
0.8 5
V V
I out = 10mA I out = 10mA
-25 mA 10 mA Complies to ETS300-220
Compatible Transmitter encoder AM-110C1-315 (1 - 3 sw version) AM-110C1-433 (1 - 3 sw version)
Range** (metres) 50 100
** Range quoted is optimum in line of sight without interference. In noisy built up areas this can be reduced by over 50% For more information or general enquiries, please call; 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 http://www.rfsolutions.co.uk RF Solutions is a member of the Low Power Radio Association.
Information contained in this document is believed to be accurate , however no representation or warranty is given and no liability is assumed by R.F. Solutions Ltd. with respect to the accuracy of such information. Use of R.F.Solutions as critical components in life support systems is not authorised except with express written approval from R.F.Solutions Ltd.
DS097-5
Feb `02
(c)2002 REG No 277 4001, England.
Page 4

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