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Application Notes
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Please note the CML disclaimer notice for applications and FAQ information. |
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| Abbreviations - Glossary of Terms | |
| Two-Way Radio | |
| HSC and XTCSS Coding | HSC and XTCSS Coding for radio and paging systems |
| MX105A | Tone generation - An application of the MX105A -obsolete product- |
| FX224 | VSB scrambling |
| CMX639 | Audio Delay circuit based upon the CMX639 CVSD Codec |
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CMX608, CMX618 and CMX638
(PE002 and EV6180 EvKits) |
Optimising the speech quality using both manual and autonomous techniques
to set the input gain
Demonstration scripts for the PE0002 and EV6180 EvKits |
| CMX608 and CMX618 | Voice Storage and Retrieval - using external voice-data storage
(Application Note and Source Code Listing) Download C Source Listing for CMX6x8 Application Note |
| CMX608, CMX618 and CMX638 | RALCWI Vocoder - Voice Storage and Retrieve - using on-chip voice-data storage
Note that this Application Note references a Function Image file™ that is available from the CMX6x8 'MyCML' Technical Portal area |
| CMX649 | Recommended Settings |
| CMX649 | CMX649 Operation and Application |
| CMX649 | CMX649 Wireless Voice Link Design Guide |
| Code Listing Files for use with the above CMX649 Design Guide [Download] | |
| CMX7031 | CMX7031 Synthesiser Lock Time |
| CMX7031 | CMX7031 Synthesiser Calculator
(See spreadsheet below) |
| CMX7031 | CMX7031 Synthesiser Calculator
(For use with app note above) |
| CMX7031 | An Example Core Design for a Complete Family Radio |
| CMX7031 | Boot Procedure |
| CMX7031/CMX7041 | 7031/7041FI-1.3.x.x Configuration Guide/s |
| CMX7031/CMX7041 | CMX7031/CMX7041 FI-2.0 for US 6.25kHz Digital Radio |
| CMX703x/CMX704x ICs | Writing a Function ImageTM File to Serial Memory |
| CMX7031/CMX7041 | NOAA Weather Radio Operations |
| CMX7041 | Two-Point Modulation for dPMR using the CMX7041 |
| CMX7041 | Boot Procedure |
| CMX808A | Open-radio broadcast with unique 'Calling Code' feature |
| CMX808A | Functions and features in Family Radio |
| CMX808A | Tone Cloning and Group Calling |
| FX828 | Elimination of false DCS decodes |
| FX818/FX828 | Optimum voice processing circuits for CTCSS operation |
| CMX882 | CMX882 Pseudo Code Implementation |
| TETRA | An Overview |
| CMX980A | Using the CMX980A for Non-TETRA radio schemes |
| FX980 | in TETRA digital mobile radio |
| CMX981 | Analog Interface Processor for Multimode Narrowband Digital Radio -[New Article January 2005] |
| CMX998 | CMX998 with an RF5110G Power Amplifier |
| CMX998 | Cartesian Feedback Loop DC Calibration |
| Inversion Security | Variable Split-Band Scrambling |
| CTCSS 'Type 2' | Specification and Application |
| CTCSS | Generation of non-standard CTCSS tones |
| CMX882/CMX264 | CMX882 and CMX264 as an Audio Scrambling Interface |
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Wireline Telecoms |
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| . . . please note that application notes relevant to 'MyCML' products can be found in the product's technical portal area . . . | |
| CMX866 Commands | CMX866 Operation with Low Level Commands |
| SMS Application | Short Message Service (SMS) Implementation using CML Products |
| MX019/MX009 | Combination of two digitally controlled amplifiers to achieve finer step control or wider dynamic range |
| Caller Line ID | CLI with the CMX860, CMX867 and CMX868 |
| FX602/CMX602A | The operational differences |
| CMX602A | Calling Identity Delivery on Call Waiting (CIDCW) |
| FX604/MX604 | Migration from TDK 73M223 to FX/MX604 |
| CMX605 | Caller ID Regeneration over Short Local Loops (SLLs) |
| CMX605 | Musical melody generation |
| FX613 | Sensitivity threshold adjustment |
| CMX608 and CMX618 | Voice Storage and Retrieval (Application Note and Source Code Listing) - Download C Source Listing for CMX6x8 Application Note |
| FX631 | Security and telephone SPM detector |
| FX631 | FX631xxX clocking information |
| CMX631A/FX631 | External component calculation - a worked example |
| CMX644A | 1200/1200 b/s full duplex call set-up |
| V.23 | Recommendations for V.23 1200/75 b/s duplex call set-up |
| CMX673 | Suggested applications |
| CMX850 | Porting User CMX868 (and derivatives) Control Codes to the CMX850 |
| CMX850 | 80C51 Architectural Overview, Programmers' Guide and Hardware |
| CMX850 | Communications Controller and DAA Design |
| CMX865A and Type ICs | Addressing Security Industry Protocols with the CMX865A |
| CMX865A | Motorola MC145443 to CMX865A Migration |
| CMX865A | CMX865A employed in Short Local Loops |
| CMX866 | CLI Type 1
Operation using the CMX866 download binary file |
| DAA Reference Designs | Direct Access Arrangement Designs for use with the CMX867 and CMX868 |
| Silver Telecom Application Notes | Silver Telecoms specialises in wireline
telecoms line-interface modules, some of which employ CML IC
products. A visit to this website will provide further support to designers of such interfaces. |
| CMX867 | V.22 full duplex call set-up |
| CMX867 and CMX868 | Reference
telephone line interfaces for CMX867 and CMX868 V.22bis and
V.22 low power modems |
| CMX867 and CMX868 | CMX867 and CMX868 V.22bis and V.22 modem design guide |
| CMX868, CMX869 and CMX869A | CMX868, CMX869 and CMX869A Modems with CLARE Litelink DAA |
| CMX86x and/or CMX850 | CMX860,
CMX865, CMX867, CMX868, CMX868A, CMX869,
CMX869A, CMX869B, CMX850 Filtercoefficient generator program |
| CMX868 | Programmer's quick reference |
| CMX868 | V.22bis full duplex call set-up |
| CMX869x Series | CMX869x Series Upgrade Path |
| CMX869A | Bell 212A Implementation with the CMX869A [new May 2006] |
| CMX869A | Auto-modem - Incorrect Bit-Rate Determination |
| CMX869A | Caller Line ID with the CMX869A |
| CMX869B | CMX869B DAA Circuit with Line State Detection |
| CMX869A | V.22bis Full-Duplex Call Set-up on the CMX869A |
| SPM | Subscriber Pulse Metering |
| SPM | SPM 12kHz and 16kHz blocking filters |
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Wireless Data |
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| . . . please note that application notes to 'MyCML' products can be found in the relevant technical portal area . . . | |
| Wireless Modems | Wireless Modem Design - Troubleshooting Guide |
| MX429A | Error detection and correction of MPT1327 formatted messages |
| CMX469A | Simple Data Communications with the CMX469A |
| CMX469A Firmware | Firmware listing (text file) for the above CMX469A Application Note |
| MX469 to CMX469A | Design Migration from MX469 to CMX469A |
| FX589 and FX839 | Cellular Digital Packet Data (CDPD) |
| CMX589A | Using two-point modulation to reduce synthesizer problems |
| FX589 | GMSK modem applications |
| MX589 | Practical GMSK data transmission |
| CMX7143 | Modem (Modulation) Performance Comparison |
| FX909A | Signal acquisition principles |
| FX919B and FX929B | Fade management and 'A' version compatibility |
| CMX990 | Wireless Medical Telemetry Service with the CMX990 |
| GMSK and 4-Level FSK | Increasing data throughput in a radio telemetry system |
| MSK | Minimum Shift Keying and its application to wireless data transmission |
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Marine AIS |
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| AIS and DE70321 | DE70321 System Level Test Results |
| AIS and DE70321 | DE70321 VCO and Sensitivity Enhancement |
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| General Information | |
| C-BUS to SPI Interfacing | Techniques for Interfacing CML's C-BUS System to an SPI Bus |
| CML Oscillators | CML on-chip oscillators - configuration information |
| C-BUS | C-BUS Microcontroller Interface |
| C-BUS Coding Examples | C-BUS coding examples using the CMX868A |
| Switched Capacitor | Switched Capacitor Interfacing: Anti-aliasing and smoothing filters |