ETC MXR-505RL

RADIO MODULE
MXR-505
UHF FM TRANSCEIVER MODULE
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DATA SHEET
Radios, Inc.
May 30, 2007 Preliminary Data Sheet
MXR-505
UHF FM TRANSCEIVER MODULE
The MXR-505 is a frequency shift keyed (FSK) high performance,
ultra compact, long range transceiver operating at the 902-928
MHz and 868.25 MHz bands. This integrated modularized transceiver is designed for use in half-duplex, bidirectional RF links.
The multi-channeled MXR-505 is intended for use in UHF radio
equipment in compliance with both the North American Federal
Communications Commission (FCC) part 15.247 and 15.249 systems and the European Telecommunications Standard Institute
(ETS) specification EN300 200.
The transmitter is composed of both a PLL frequency synthesizer and a power amplifier. The synthesizer
uses a voltage-controlled crystal oscillator, a dual-modulus prescaler, programmable frequency dividers,
and a phase-detector. The power amplifier’s output power can be programmed to seven different levels.
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Typical Applications
The MXR-505 has zero IF architecture which enables channel filtering with low-power, integrated lowpass filters. Each channel includes a pre-amplifier and a third order Sallen-Key RC low-pass filter that
protects the switched-capacitor filter from strong adjacent channel signals. The main channel filter is a
switched-capacitor implementation of a six-pole elliptic low pass filter. The cutoff frequency of the
Sallen-Key RC filter can be programmed to four different frequencies: 100kHz, 150 kHz, 230 kHz, and
340 kHz. A receive signal strength indicator circuit indicates the received signal level. The MXR-505 is
a well-designed transceiver suitable for a variety of RF applications, particularly voice applications and
high volume OEM applications.
Key Features
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Low cost
Wide supply voltage range
Wide operating temperature range
Easily integrated
Low power consumption
Compact surface-mount packages/Small Size
2.5V operation
Simple serial programming interface
Baud rate from 1200 to 200,000 bps
Spread spectrum
External reset pin
Exceptional sensitivity: -111dBm
Receive signal stength (RSSI) pin
No production tuning
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Remote controls
Garage openers / Gate controls
Keyless entry
Lighting control
Home / Industrial automation
Continuous / Periodic data transfer
Wireless networking
Remote access
Remote monitoring / Telemetry
Medical monitoring / Call systems
Guard patrol / Lone worker protection
Domestic / Commercial security
Fire / Security alarms
Long-range RFID
Automated meter reading
Contact Information
Radios, Inc.
1408 Center Avenue
Oostburg, WI 53070
Phone: 920-564-6622
Fax: 920-564-6630
Email: [email protected]
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MXR-505
UHF FM TRANSCEIVER MODULE
Mechanical and Pin Diagram
* Note: Pinouts of surface mount and through-hole packages are mirrored
DIP Package
Pin Description
Pin Num Pin Name
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
RST/NMI
TEST
TDO
TDI
TMS
TCK
Gnd
Gnd
Gnd
Gnd
Gnd
Ant
Description
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
Ground
Ground
Ground
Ground
Ground
RF Input/Output (50 Ohms)
Pin Num Pin Name
Pin 13
Pin 14
Pin 15
Pin 16
Pin 17
Pin 18
Pin 19
Pin 20
Pin 21
Pin 22
Pin 23
Pin 24
+VIN
+2.5V
REG-EN
N/C
N/C
N/C
N/C
DATACLK
DATAIXO
RSSI
UTXD
URXD
Description
Positive Supply Pin (2.6-16V)
Regulated Output (2.5V)
Regulator Enable (2-VCC)
No Connect
No Connect
No Connect
No Connect
Data Clock Output (0-2.5V)
Data Input/Output (0-2.5V)
Receive Signal Strength Indicator (0-2.5V)
Transmit Data Out—UART mode (0-2.5V)
Receive Data Out—UART mode (0-2.5V)
PRELIMINARY
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MXR-505
UHF FM TRANSCEIVER MODULE
Mechanical and Pin Diagram
* Note: Pinouts of surface mount and through-hole packages are mirrored
Surface Mount Package
Pin Description
Pin Num Pin Name
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
Ant
Gnd
Gnd
Gnd
Gnd
Gnd
TCK
TMS
TDI
TDO
TEST
RST/NMI
Description
RF Input/Output (50 Ohms)
Ground
Ground
Ground
Ground
Ground
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
Pin Num Pin Name
Pin 13
Pin 14
Pin 15
Pin 16
Pin 17
Pin 18
Pin 19
Pin 20
Pin 21
Pin 22
Pin 23
Pin 24
URXD
UTXD
RSSI
DATAIXO
DATACLK
N/C
N/C
N/C
N/C
REG-EN
+2.5V
+VIN
Description
Receive Data Out—UART mode (0-2.5V)
Transmit Data Out—UART mode (0-2.5V)
Receive Signal Strength Indicator (0-2.5V)
Data Input/Output (0-2.5V)
Data Clock Output (0-2.5V)
No Connect
No Connect
No Connect
No Connect
Regulator Enable (2-VCC)
Regulated Output (2.5V)
Positive Supply Pin (2.6-16V)
PRELIMINARY
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MXR-505
UHF FM TRANSCEIVER MODULE
MXR-505 Communication
Communication with the MXR-505 is accomplished through a universal asynchronous receive/
transmit (UART) peripheral interface. The UART uses 8-bit, non-parity, LSB, 1200bps baud
format. The maximum number of data bytes that can be transmitted or received in one packet is 50.
The user will transmit data through the UART on the MXR-505 via pin 24, URXD. The MXR-505
will packetize and wirelessly transmit the data. Once the data is received on the other side, the
MXR-505 will demodulate the data and send the received data out to the user via pin 23, UTXD.
The data being sent through the UART should follow a specific protocol.
The communication protocol is outlined below:
Byte #1
Number of Bytes – The number of bytes is one byte containing the total number of
data bytes. This byte should not be included in the number of bytes. Therefore, the
number of bytes should be one less than the total number of bytes being sent or
received. The maximum number of data bytes that can be transmitted or received is
50; therefore, the number of bytes should not exceed 50.
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Bytes #2-51 Data Bytes – The data bytes are the actual data byte values being transmitted or
received by the MXR-505. The MXR-505 can send or receive a maximum of 50
data bytes per packet. The first two bytes are used as preamble bytes by Radios,
Inc. to differentiate the detection of data from noise. They can be set to any value,
but to work with the HHDS-ML they must be set to 0xFF and 0x00, respectively.
When the first byte is received through the UART on the MXR-505, the user will have one second
to send the remaining data bytes to the MXR-505. If the MXR-505 does not receive all of the data
bytes within that second, the data the MXR-505 did receive will be dumped. For example, if the
user sends a 10 for the number of bytes and then only sends five more bytes within one second, the
MXR-505 assumes this is corrupted data and does not transmit the packet. The five bytes the
MXR-505 did receive will be discarded and the MXR-505 will wait for a new packet of data to be
received.
Electrical Limits
Sym
VCC
VEN
VEN
TA
Parameters
Absolute Maximum Ratings
Supply Voltage
Voltage on any Pins
Storage Temperature Range
Lead Temperature
Enable Input Voltage
ESD Rating
Operating Ratings
Package Thermal Resistance
Enable Input Voltage
Ambient operating temperature
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Min
Typ
2.6
-0.5
0
Max
16
2.7
70
260
0
16
0
0
VCC
70
Unit Notes
V
V
°C
°C
V
kV
°C/W
V
°C
MXR-505
UHF FM TRANSCEIVER MODULE
Electrical Characteristics
This device is ESD sensitive. Do not operate or store near strong electrostatic fields. Use appropriate ESD
precautions. All voltages are with respect to Ground.
Parameters
Test Conditions
Power Supply
RF Frequency Operating Range
Power Supply
Power Down Current
Standby current
Quiescent Current
Operating Voltage
VCO and PLL Section
Reference Frequency
PLL Lock Time
3kHz bandwidth
Switch Time
3kHz loop bandwidth
Typ
2400
13
2.6
915MHz to 915.5MHz
902MHz to 927MHz
20kHz bandwidth
Rx – Tx
Tx – Rx
Standby Rx
Standby Tx
16 pF load
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Crystal Oscillator Start-Up Time
Charge Pump Current
Min
20
Max
Unit
2483.5
MHz
V
µA
µA
µA
V
29
16
MHz
ms
ms
ms
ms
ms
ms
ms
ms
µA
µA
%
0.86
VCPOUT = 1.1V, CP_HI = 0
VCPOUT = 1.1V, CP_HI = 1
Charge Pump Tolerance
Transmit Section
Output Power
Output Power Tolerance
Tx Current Consumption
Tx Current Consumption Variation
Binary FSK Frequency Separation
Data Rate
Occupied bandwidth
2nd Harmonic
3rd Harmonic
Spurious Emission
Delivered to a single ended 50 ohm
load through a balun
Over temperature range
Over power supply range
P = -25 dBm
P = -15 dBm
P = -10 dBm
P = -5 dBm
P = 0 dBm
10dBm
bitrate = 200kbps
-3
0
dBm
8.5
9.9
11
14
17.4
250
250
20kbps, b = 2, 20dBc
125kbps, b = 2, 20dBc
200kbps, b = 2, 20dBc
-34
-60
30-1000 MHz
1-12.75 GHz
1.8-1.9 GHz
5.15-5.3 GHz
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-30
-47
-47
dB
dB
mA
mA
mA
mA
mA
mA
kHz
kbps
kHz
kHz
kHz
dBc
dBc
dBm
dBm
dBm
dBm
MXR-505
UHF FM TRANSCEIVER MODULE
Electrical Characteristics Receive Section
Rx Current Consumption
Rx Current Consumption Variation
Receiver Sensitivity
Receiver Maximum Input Power
Receiver Sensitivity Tolerance
Receiver Bandwidth
Co-Channel Rejection
Adjacent Channel Rejection
Blocking
CONT.
19.7
-90
Input Impedance
Input Reflection (s11)
RSSI Dynamic Range
RSSI Output Voltage
-94
125kbps, 125kHz deviation
20kbps, 20kHz deviation
Over temperature
Over power supply range
200kHz spacing
500kHz spacing
1MHz spacing
±1MHz
±2MHz
±5MHz
±10MHz
42
47
38
41
TBD
-35
-25
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Noise Figure, Cascade
1dB Compression
Input IP3
Input IP2
LO Leakage
Spurious Emission
mA
mA
dBm
dBm
dBm
dB
dB
kHz
dB
Over temperature
2 tones with 1MHz separation
-90
-54
-54
< 1GHz
> 1GHz
50
-20
50
0.9
1.85
Pin = 100dBm
Pin = 60dBm
Digital Inputs/Outputs
Logic Input High
Logic Input Low
Clock/Data Frequency
Clock/Data Duty Cycle
0.7VCC
0
45
Regulator Enable Input
Input Low Voltage
Input High Voltage
Enable Input Current
Regulator OFF
Regulator ON
VEN = 0.6V; Regulator OFF
Note 1. Exceeding the absolute maximum rating may damage the device.
2.0
0.01
-15
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
Ohms
dB
dB
V
V
VCC
0.3VCC
10
55
V
V
MHz
%
0.6
V
V
µA
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with
100pF.
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MXR-505
UHF FM TRANSCEIVER MODULE
Technical Support:
Radios, Inc. is committed to providing its customers with excellent technical support and the
resources necessary to assist them with their product development. All technical support is
provided free of charge. Customers have several options to obtain assistance. First, any
questions or concerns can be e-mailed to Radios, Inc. at [email protected] We monitor
our e-mail daily, and will respond to all questions promptly. Additionally, to speak directly to a
technical support representative, customers can call Radios, Inc. at 920-564-6622.
Compliance:
Embedded wireless modules are intended for use as component devices which require peripheral
elements to operate. Radios, Inc.’s modules are intended to be used in products requiring
compliance. They are, however, not pre-approved by the FCC or any other agency worldwide
unless so stated. The user or customer understands that regulatory compliance may be required
prior to the sale or operation of the module or development system, and agrees to abide by all
laws governing the module’s or development system’s use in the country of operation.
The approval process of embedded wireless modules in the United States is relatively
uncomplicated. The Federal Communications Commission (FCC) is the governing body in the US
that specifies its requirements in the Code of Federal Regulations (CFR), Title 47. Title 47
consists of several volumes and it is necessary to first identify the correct section that applies to
your application. These rules require that a device which intentionally creates RF emissions be
FCC compliant; i.e., pre-tested for compliance and assigned an identification number. Radios, Inc.
offers pre-screening at one of our affiliate test sites. Final certification is then accomplished by an
independent test laboratory. After passing compliance testing, you will be issued a unique ID
number which must be placed on each product manufactured.
Any questions dealing with interpretations of the rules relating to testing or compliance should be
addressed to:
FCC
Equipment Authorization Division
Customer Service Branch, MN 1300F2
7435 Oakland Mills Road
Columbia, MD 21046
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MXR-505
UHF FM TRANSCEIVER MODULE
Returns:
Products may be returned directly to Radios, Inc. for evaluation. Returns, without exception, must
have a valid RMA number attached. RMA numbers can be obtained by calling a customer service
representative at Radios, Inc. If a product is found to be defective and is returned within 90 days
of purchase, Radios, Inc. may repair or replace, at its option, said defective product. The warranty
does not apply to any products which have been disassembled, modified or subjected to
conditions exceeding the application specifications. Under no circumstances will Radios, Inc. be
responsible for losses, financial or other, arising from the use or failure of a device in an application
or for losses arising from failure to meet delivery requirements, other than the repair, replacement,
or refund limited to the original product purchase price. No other warranties, express, implied, or
statutory, including warranty of fitness for a particular purpose, apply.
Product Warranty and Disclaimer Information:
Radios, Inc. is dedicated to providing its customers with the best possible products, and is
continually working on improving the quality and function of its entire product line. Therefore,
Radios, Inc. reserves the right to make changes to the design, specifications, or manufacturing of
its products without notice. The information contained in this data sheet is believed to be complete,
accurate, and reliable as of the time of publication. Because product specifications are based on
representative lot samples, however, values can vary from lot to lot and are not guaranteed.
Radios, Inc. does not assume any liability or responsibility arising from the application or use of
any product described herein, and makes no guarantee, warranty, or representation regarding the
suitability or legality of any product for use in a specific application. Radios, Inc. does not assume
any liability for any infringement of patents or other rights of third parties which may result from the
use of its products. No product sold by Radios, Inc. is intended for use in a life critical application,
or any application where the safety of property is at risk. The user assumes full and complete
responsibility for any use of Radios, Inc.’s products in an application where the safety of life or
property is at stake.
Radios, Inc., its suppliers, and its licensors shall in no event be liable for any damages arising from
the use of or inability to use this product. This includes business interruption, loss of business
information, or other losses that may arise from the use of this product. Some devices described in
this publication are patented. Under no circumstances shall any user be conveyed any license or
right to the use or ownership of these patents.
Copyright:
Radios Inc. reserves the right to all proprietary or commercial information contained in this data
sheet. This data sheet is protected by copyright, and any unauthorized copying, reproduction, or
dissemination is strictly prohibited without the prior written approval of Radios Inc.
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MXR-505
UHF FM TRANSCEIVER MODULE
Editorial Information:
Last Updated
(Date)
May 30, 2007 PRELIMINARY
Product Ordering Information:
MXR-505 E - 915 D 4800 R A -B
Packaging:
B - Bulk
TB - Tube
TR - Tape and Reel
Antenna:
A - Antenna
- No Antenna
Voltage Regulation:
R - Regulated
- Not Regulated
Baud Rate:
600 = 600 bps
= 1200 bps
2400 = 2400 bps
4800 = 4800 bps
9600 = 9600 bps
14400 = 14,400 bps
28800 = 28,800 bps
57600 = 57,600 bps
Footprint:
D - Through-hole
DS - Through-hole Shielded
S - Surface Mount
SS - Surface Mount Shielded
Frequency:
915 = 915 MHz
(based on module's
frequency range)
XXX = Custom Frequency
Protocol:
E - Eval *
RI - RINet
* Eval software for use with HHDS-ML M only. Will not work for other applications.
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