MF1105-1 is a narrowband filter produced by Philips. It is mainly used in the IF filter circuit of GSM hand-held devices. The filter has the advantages of small size, light weight, no adjustment, low insertion loss, high stop band attenuation, wide and steep passband characteristics, high stability and reliability.
This document provides preliminary technical data for the MF1105-1, a Surface Acoustic Wave (SAW) filter intended for use in the intermediate frequency (IF) circuit of GSM hand-held devices. The component is supplied in an SMD package designed to ensure a small size and lightweight form factor.
Key features highlighted include being adjustment-free with low insertion loss and high stop band attenuation. The device supports reflow soldering processes and offers wide, sharp passband characteristics along with high stability and reliability.
| Frequency range (Center Frequency) | 246.0 MHz |
|---|---|
| Bandwidth (fo-3 dB) | +110 kHz to +150 kHz |
| Insertion Loss at fo | 2.0 dB to 4.0 dB |
| Pass Band Ripple | 10 dBp-p to 15 dBp-p |
| Group Delay Ripple | 0.4 psec p-p to 1.0 psec p-p |
| Terminal Impedance | 290 Ohms // 6.0 pF |
| Package Size | 7.0 x 5.0 x 1.8 mm |
| Operating temperature range | -10 ~ +60°C |
It is an IF filter for GSM hand held devices.
The package measures 7.0 x 5.0 x 1.8 mm.
The device operates from -10 to +60°C.