LC DUPLEXER IDD03439 345.1MHz / 440.1 MHz Features LC Duplexer Usable bandwidth 9 MHz Rx. And Tx. band No matching / Antenna & Transmitter & Receiver Impedance 50Ω Surface Mounted Module Package ( 20mm × 11mm × 6.7mm ) Package Dimension TOP VIEW SIDE VIEW ANT TOLERANCE UNLESS OTHERWISE SPECIFIED : ±0.3 DIMENSIONS : mm GROUND I/O PORT 345 440 Pin Configuration Description Function RX (340.6 ~ 349.6MHz) Receiver ANT ANTENNA TX (435.6 ~ 444.6MHz) Transmitter Maximum Ratings Parameter Unit Minimum Typical Maximum Operating Temperature Range °C -40 25 +85 Storage Temperature Range °C -40 - +85 Electrostatics Sensitive Device (ESD) I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. IDD03439 Rev. Date 2014-8-29 Rev. AS01 1/3 LC DUPLEXER IDD03439 345.1MHz / 440.1 MHz Specification Fo = 345.1 MHz / 440.1 MHz ANT to Rx Minimum Typical Maximum Insertion loss (345.1 MHz +/-4.5 MHz) dB - 1.0 1.2 Amplitude Ripple (345.1 MHz +/-4.5 MHz) dB - 0.3 0.5 Return Loss (345.1 MHz +/-4.5 MHz) dB 15 18 - Input power (345.1 MHz +/-4.5 MHz) Watt Relative Attenuation 435.6 ~ 444.6 MHz 1W > 50000 Hours, CW tone (Ta=+50°C) dB Tx to ANT 20 23 - Minimum Typical Maximum Insertion loss (440.1 MHz +/-4.5 MHz) dB - 1.0 1.2 Amplitude Ripple (440.1 MHz +/-4.5 MHz) dB - 0.3 0.5 Return Loss (440.1 MHz +/-4.5 MHz) dB 15 18 - Input power (440.1 MHz +/-4.5 MHz) Watt Relative Attenuation 340.6 ~ 349.64 MHz 1W > 50000 Hours, CW tone (Ta=+50°C) dB 20 23 - Notes : 1) All specifications are based on the matching schematic shown below, measured by Agilent Network analyzer and full 3 port calibration. 2) Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances 3) All attenuation measurements are measured absolute to insertion loss I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. IDD03439 Rev. Date 2014-8-29 Rev. AS01 2/3 LC DUPLEXER IDD03439 345.1MHz / 440.1 MHz Frequency Response Ant to Rx Tx to Ant I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. IDD03439 Rev. Date 2014-8-29 Rev. AS01 3/3