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

Attachments

Clock

CMA-60-60 Specifications CMA-775-60 Specifications CMA-4060-60 Specifications CMA-MF-30 Specifications

Watch

CMA-MF-21 Specifications CMA-MF-23 Specifications CMA-MF-207R Specifications