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RI-RFM-007B
Texas Instruments RI-RFM-007B Manuals
Manuals and User Guides for Texas Instruments RI-RFM-007B. We have
1
Texas Instruments RI-RFM-007B manual available for free PDF download: Reference Manual
Texas Instruments RI-RFM-007B Reference Manual (49 pages)
High Performance Reader Frequency Module
Brand:
Texas Instruments
| Category:
Control Unit
| Size: 0.54 MB
Table of Contents
Table of Contents
3
Preface
5
1 Product Description
7
General
8
RFM Block Schematic
8
Transmitter
9
Pulse Width Examples
9
Receiver
10
RFM Connectors and Jumpers
10
RFM Top View
10
Timing Characteristics
10
RFM Bottom View
12
J1 Pin Functions
12
J2 Pin Functions
13
J4 Pin Functions
13
J3 Pin Functions
13
Antenna Connectors
14
Transmitter Carrier Phase Synchronization (CPS) Dip Switch SW1
14
2 Specifications
15
Recommended Operating Conditions
16
Operating Conditions
16
Electrical Characteristics
17
Mechanical Parameters
18
Dimensions
19
Mechanical Dimensions
19
3 Installation
21
Power Supply Requirements
22
Power Supply Connection
22
Power Supply Ripple Specifications
22
External Ground Connection (GND to GNDP)
23
4 Associated Antenna Systems
25
Antenna Requirements
26
Antenna Resonance Tuning
27
Tuning Procedure
27
Tuning Example Showing Increase of Total Tuning Capacity and Generated Field Strength (Typical Values)
28
Flow Chart for Tuning the Antenna to Resonance
29
5 Regulatory, Safety & Warranty Notices
31
Regulatory Notes
32
FCC Notices (U.S.A)
32
CE Conformity (Europe)
32
Expanding Antenna Tuning Inductance Range
33
Circuit for Expanding Antenna Tuning Range to Lower Values
33
Circuit for Expanding Antenna Tuning Range to Higher Values
34
Capacitor Values for Expanding Antenna Tuning Range to Lower Values
34
Capacitor Values Expanding Antenna Tuning Range to Higher Values
35
Field Strength Adjustment
37
Adjustment of Oscillator Signal Pulse Width
39
Oscillator Signal Pulse Width Vs Resistor Value (Estimated Values)
39
Threshold Level Adjustment
41
Transmitter Carrier Phase Synchronization (CPS)
43
100 C Adjustment
41
500 D Threshold
43
Distance between Antennas (Top View)
43
Maximum Distances between Antennas
43
Noise Considerations
45
Characteristics of Radiated and Conducted Noise
45
Noise Testing Configuration
46
Over Voltage Protection
47
Circuit for Overvoltage Protection
48
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