Chip Antenna Duplexor Fits Cell Phones

Designed with a combination band-elimination and band-pass filter to minimize insertion loss and reduce size, TDPF-836E-10 is a miniature chip antenna duplexor for AMPS cellular telephones. Designed with a proprietary three-layer dielectric structure, the device boasts of a transmit side insertion loss of typically less than 2 dB with the receive side less than 3.5 dB. The duplexor offers 2nd and 3rd order harmonic rejection greater than 30 dB. The footprint is 19.6 x 9.6 mm and height is 3 mm.