Antennas
Clock Antennas
(i) Multi Frequency Antenna (CMA-MF-60NP)
CMA-MF-60NP is designed for triple-band universal clock application. This antenna can be switched by CME8000 receiver IC to 40kHz, 60kHz and 77.5kHz reception using capacitor-array method.
Features
- 3 frequency reception
- Specially designed for use with CME8000 receiver IC
- Dimensions optimized for best reception sensitivity
- Switched by capacitor
Benefits
- Reduced space requirements for application
- Low cost
- Universal reception
- No external switch necessary
Ordering Information
| Extended Part Number | Remarks |
|---|---|
| CMA-MF-60 NP | 60mm Multi-frequency antenna |
(ii) Single Frequency Antenna (CMA-XX-60NP)
Single Frequency antenna is designed for Radio-controlled Time (RCT) pieces (in particular Wall Clock and Table Clock), available in different shapes and sizes. Frequency available – 40kHz, 60kHz and 77.5kHz.
Applications
- Table clocks (60mm antenna)
- Wall clocks (60mm & 100mm)
Ordering Information
| Frequency | Extended Part Number for 60mm antenna | Extended Part Number for 100mm antenna |
|---|---|---|
| 40KHz | CMA-40-60NP | CMA-40-100NP |
| 60KHz | CMA-60-60NP | CMA-60-100NP |
| 68.5KHz | CMA-685-60NP | --- |
| 77.5KHz | CMA-775-60NP | CMA-775-100NP |
Watch Antennas
(i) Multi-Frequency Antenna – Round Shape 20.5mm (CMA-MF-R10NP)
CMA-MF-R10 antenna is designed for triple band universal watch application. By using capacitor array method, this antenna can be switched for 40KHz, 60KHz and 77.5KHz by the CME8000 receiver IC. Adapted to watch shape, this antenna is easy to design-in.
Features
- Special design for watch application
- Reception of three frequency
- Specially designed for use with CME8000 receiver IC
- Optimized dimensions for best reception results
- Switching by capacitor
Benefits
- Reduced space requirements
- Low cost
- Suitable for new applications
- No external switches necessary
- Improved reception sensitivity
Note: For other requirements of different shape and dimension of Multi-Frequency Antenna for watch or other application, please contact C-MAX Technical Support for detail.
Ordering Information
| Extended Part Number | Remarks |
|---|---|
| CMA-MF-R10NP | Multi-frequency round shape antenna |
(ii) Multi Frequency Antenna (CMA-MF-XXNP)
CMA-MF-XXNP antenna is designed for triple-band universal watch application. Triple frequency – 40KHz, 60KHz and 77.5KHz is selected via capacitor array method and switched by CME8000 receiver IC.
Features
- 3 frequency reception
- Specially designed for use with CME8000 receiver IC
- Optimized dimensions for best reception sensitivity
- Switched by capacitor
- Reduced dimensions optimized for watch applications
Benefits
- Reduced space requirements for application
- Low cost
- Universal reception
- Improved reception sensitivity
Ordering Information
| Extended Part Number | Remarks |
|---|---|
| CMA-MF-15NP | Multi-frequency antenna, 15mm in length |
| CMA-MF-21NP | Multi-frequency antenna, 21mm in length |
| CMA-MF-23NP | Multi-frequency antenna, 23.6mm in length |