240 MHz SAW Filter 1.1 MHz Bandwidth Part Number: SF0240CD21956S DESCRIPTION * * * 240 MHz SAW bandpass filter with 1.1 MHz bandwidth. 19 x 6.5 mm ceramic LCC package. RoHS compliant. TYPICAL PERFORMANCE Horizontal: Vertical from Top: Frequency : Relative Magnitude : Relative magnitude : Phase Linearity : Group Delay Deviation : S11 (235-245 MHz) 1 10 1 5 200 MHz/div dB/div dB/div deg/div ns/div S22 (235 to 245 MHz) IDT * SAW Products * 324 Clark Street, Worcester, MA 01606, USA * Ph 1-508-852-5400 * Fax 1-508-852-8456 www.idt.com DSSF0240CD21956S Rev X1 15-Jan-2008 Page 1 of 3 240 MHz SAW Filter 1.1 MHz Bandwidth Part Number: SF0240CD21956S SPECIFICATION Parameter Center Frequency, FC 1 Insertion Loss 2 1 dB Bandwidth 3 10 dB Bandwidth 3 25 dB Bandwidth 3 35 dB Bandwidth 3 Passband Amplitude Ripple 4 Passband Phase Linearity 4 Passband Group Delay Ripple 4 Average Passband Delay 4 Rejection (Fc 2.5 to Fc 70 MHz) Input and Output Return Loss 4 Source and Load Impedance Ambient Temperature 5 Notes: 1. 2. 3. 4. 5. Min 1.1 40 6 Typ 240 13.6 1.24 1.68 2.07 2.42 0.8 3 130 2.58 43 12 50 25 - Max 16 1.8 2.5 3.4 1.25 6 200 2.75 - Units MHz dB MHz MHz MHz MHz dB p-p deg p-p ns p-p us dB dB ohms C Fixed reference. All specified bandwidths are centered on this frequency.. Average across passband range Fc 0.55 MHz. All bandwidth dB values are taken relative to the insertion loss. Over the passband range Fc 0.55 MHz. All electrical specifications apply over the full operating temperature range. MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range Input Power Level Min Max -40 -10 - 85 85 10 Units C C dBm MATCHING CIRCUIT 10 5 Input 50 Single-ended Output 50 Single-ended 1 6 GND GND Typical component values: Ls1 Cp1 Rp1 = = = 39 27 560 nH pF Ls2 = Cp2 = Rp2 = 47 27 1.5 nH pF k Notes: 1. Recommend use of 2% tolerance matching components. Typical inductor Q=40. 2. Component values may change depending on board layout. IDT * SAW Products * 324 Clark Street, Worcester, MA 01606, USA * Ph 1-508-852-5400 * Fax 1-508-852-8456 www.idt.com DSSF0240CD21956S Rev X1 15-Jan-2008 Page 2 of 3 240 MHz SAW Filter 1.1 MHz Bandwidth Part Number: SF0240CD21956S PACKAGE OUTLINE SUGGESTED FOOTPRINT Units: mm Tolerances are typically 0.15 mm except where indicated. Pad Configuration: Input: 10 Input return: 1 Output: 5 Output return: 6 Ground: All other pads Package Material: Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 1 m min, over a 1.3-8.9 m Ni plating ISO 9001 Registered All specifications are believed to be accurate and reliable. However, MNC reserves the right to make changes without notice. (c) 2008 All rights reserved. IDT * SAW Products * 324 Clark Street, Worcester, MA 01606, USA * Ph 1-508-852-5400 * Fax 1-508-852-8456 www.idt.com DSSF0240CD21956S Rev X1 15-Jan-2008 Page 3 of 3