Model KFF6666A

®

Features:

• Small Size

• High Performance

• SMD

Description and

Applications:

This monoblock Duplexer filter is

primarily designed for US PCS

applications at 1850-1990 MHz.

Ceramic Monoblock

Duplex Filter

Electrical Specifications

Rev. 1

Antenna to TX Response

Frequency

Specifications @ 25º C

Insertion Loss

1850 MHz to 1910 MHz

3.4 dB max.

Return Loss @ TX

11.0 dB min.

Return Loss @ ANT

11.0 dB min.

Attenuation

1930 MHz to 1990 MHz

40.0 dB min.

Antenna to RX Response

Frequency

Specifications @ 25º C

Insertion Loss

1930 MHz to 1990 MHz

3.4 dB max.

Return Loss @ RX

11.0 dB min.

Return Loss @ ANT

11.0 dB min.

Attenuation

1850 MHz to 1910 MHz

47.0 dB min.

TX to RX Response

Frequency

Specifications @ 25º C

Attenuation

1850 MHz to 1910 MHz

51.0 dB min.

Attenuation

1930 MHz to 1990 MHz

42.0 dB min.

Power Rating

2 W

Impedance

50

Ω

NOTE: Supplier shall test each filter to the critical electrical specifications listed above or better. Any subsequent audits may deviate due to measurement

repeatability among different test systems. Such deviations shall not exceed the following limits:

Specification

Typical Allowance

Insertion Loss

0.1 dB

Return Loss

1.0 dB

Stopbands

1.0 dB