074949-518

074949-518 APITECH | Alldatasheet

Document overview

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Technical content

68.256 MHz SAW Filter

2.4 MHz Bandwidth

IDT •• •• SAW Products •• •• 324 Clark Street, Worcester, MA 01606, USA •• •• Ph 1-508-852-5400 •• •• Fax 1-508-852-8456 www.idt.com DS074949-518 Rev - 30-Apr-2008 ECN 35965 Page 1 of 3

DESCRIPTION

• 68.256 MHz SAW bandpass filter with 2.4 MHz bandwidth.
• 35.05 X 20.6 mm 8-pin DIP package.
• RoHS compliant. TYPICAL PERFORMANCE S11 (63.26-73.26 MHz) S22 (63.26-73.26 MHz) Horizontal: Frequency 1 MHz / div Vertical (from top): Magnitude 10 dB/div Magnitude 1 dB/div Phase Deviation 2 deg/div Group Delay Deviation 50 ns/div

IDT •• •• SAW Products •• •• 324 Clark Street, Worcester, MA 01606, USA •• •• Ph 1-508-852-5400 •• •• Fax 1-508-852-8456 www.idt.com DS074949-518 Rev - 30-Apr-2008 ECN 35965 Page 2 of 3 SPECIFICATION Parameter Min Typ Max Units Center Frequency, F C 1 67.056 68.256 69.456 MHz Insertion Loss 32 33.6 36 dB 1 dB Bandwidth 2.4 3.08 - MHz 3 dB Bandwidth 3.7 3.86 4.1 MHz 20 dB Bandwidth 5.6 5.81 6.2 MHz 35 dB Bandwidth 6.3 6.43 7 MHz Phase Linearity (Fc +/- 1.85 MHz) - 2 4 deg p-p Phase Linearity (Fc +/- 2.4 MHz) - 5 10 deg p-p Lower 3 dB Frequency Fc-2.05 - Fc-1.85 MHz Upper 3 dB Frequency Fc+1.85 - Fc+2.05 MHz Lower 20 dB Frequency Fc-3.1 - Fc-2.8 MHz Upper 20 dB Frequency Fc+2.8 - Fc+3.1 MHz Lower 35 dB Frequency Fc-3.5 - Fc-3.15 MHz Upper 35 dB Frequency Fc+3.15 - Fc+3.5 MHz Absolute Delay 2.4 2.45 2.5 us Group Delay Ripple (Fc +/- 1.85 MHz) - 30 100 ns p- p Rejection (30 to Fc-3.5 MHz) 2 35 42 - dB Rejection (Fc+3.5 to 150 MHz) 2 35 42 - dB Input VSWR (Fc +/- 1.2 MHz) - 1.4 1.5 :1 Output VSWR (Fc +/- 1.2 MHz) - 1.4 1.5 :1 Source and Load Impedance 50 ohms Ambient Temperature - 25 - ˚C Notes: 1. Reference frequency. Computed as mean of the 3 dB frequencies. 2. All dB values are referenced to the insertion loss value. MAXIMUM RATINGS Parameter Min Max Units Storage Temperature Range -40 85 ˚C Operating Temperature Range -18 63 ˚C Input Power Level - 10 dBm MATCHING CIRCUIT Notes:

• Device is internally matched. No external matching components are required. Input 50 Ω Single ended Output 50 Ω Single ended 8 4 7 5 GND GND

IDT •• •• SAW Products •• •• 324 Clark Street, Worcester, MA 01606, USA •• •• Ph 1-508-852-5400 •• •• Fax 1-508-852-8456 www.idt.com DS074949-518 Rev - 30-Apr-2008 ECN 35965 Page 3 of 3 PACKAGE OUTLINE All specifications are believed to be accurate and reliable. However, MNC reserves the right to make changes without notice. © 200 8 All rights reserved. ISO 9001 Registered Units: mm Tolerances are typically ±0.15 mm except where indicated. Pad Configuration: Input: 8 Input return: 7 Output: 4 Output return: 5 Ground: All other pins