TMXW345

SAW Filters TMX W345 SAW Bandpass Filter – Satellite Receiver – IF Specification (Rev 1) Features................................................................................... P01 Package Drawing & Pin out.................................................... P01 Technical Characteristics ....................................................... P02 Matching Network.................................................................... P02 Nominal Response.................................................................. P03 Maximum Ratings.................................................................... P04 Marking & Packaging .............................................................. P04 TMX W345 SAW Bandpass Filter – Satellite Receiver – IF Specification (Rev 1) September 05 , 2005 th Features q q q q q q IF Filter Constant Group Delay 36.2 MHz useable Passband 50 Ω Single Configuration TO39 Package Pb Package Drawing & Pin out The product is in conformance with the European RoHs Regulation 2002/95. Dimensions (unit: mm) A B C D E 9.35±0.1 5.08±0.1 3.40±0.1 3.00±0.2 ? 0.45±0.2 Pin Configuration Input Output Case ground 1 or 2 2 or 1 3 1 TMX W345 SAW Bandpass Filter – Satellite Receiver – IF Specification (Rev 1) September 05 , 2005 th Technical Characteristics Reference Temperature : +25°C Electrical Parameters Source Impedance (single) Load Impedance (single) Center Frequency fo Bandwidth at –3 dB Relative attenuation At 462 MHz At 498 MHz From 430 MHz to 450 MHz From 510 MHz to 530 MHz Insertion Loss at 480 MHz Amplitude Ripple in fo ± 13.0 MHz ( 3) Amplitude tilt in fo ± 13.0 MHz Group Delay at fo Group Delay Ripple in fo ± 13.5 MHz Reflected Wave Signal Suppression 0.1µs…2.0µs after main pulse Temperature coefficient of frequency dB dB dB dB dB dBp-p dB/MHz ns ns p-p dB ppm/K 36 36 40 3.1 2.9 42 43 21.0 0 .5 0.02 274 2.0 48 -86 4.2 4.2 22.5 1.0 3.0 Unit Ω Ω M Hz M Hz Minimum 479 Typical (1) 50 50 (2) (2) Maximum 481 - 480 36.2 Notes : (1) Typical values are nominal performances at room temperature. (2) No external matching network is required. (3) The amplitude variation is defined as the maximum le vel – minimum level over the given bandwidth. 2 TMX W345 SAW Bandpass Filter – Satellite Receiver – IF Specification (Rev 1) September 05 , 2005 th Nominal Frequency Response (Measurements) Frequency Response (20 MHz/div & 10 dB/div - 8 MHz/div & 1 dB/div) 3 TMX W345 SAW Bandpass Filter – Satellite Receiver – IF Specification (Rev 1) Maximum Ratings September 05 , 2005 th Operating Temperature Range Storage Temperature Range DC voltage between any two pins AC voltage between any two pins °C °C V V [-25°C ; +85°C] [-40°C ; +85°C] 0 5 Marking NNNN RYWWZZ "NNNN" is the reference to Temex Part number “RYWWZZ” is the date code as : R : supplier identifier Y : last digit of the year WW : number of week in the year ZZ : Lot number in the week Packaging The filters are placed in tube (50 filters per tube). Those tubes are grouped in order to make 500 parts block. Orientation is homogenous in a group of 500 parts. TEMEX ESD The outside box is used (see picture above) for the shipment. 4