Lsfb54 - 190 - 004m2. Balance connection type of input and output qLSF. Recommended Land Pattern, страница 2

•  For transceiver. wB··········· Seam weld type

•  For pager.         e44········· Package Number (01, 02·······) • For radio phone. r426······· Nominal Frequency

t800······· Pass Bandwidth 800kHz y0··········· Sub-Number

Standard Frequency                                                                     Recommended Land Pattern _{(Unit : mm)}

Nominal Frequency(MHz) Type 421.90000 LSFA02-422-800K0 426.08125 426.54 LSFA02-426-400K0 LSFB44-426-800K0 429.5500 LSFA02-429-800K0 LSFB44-429-800K0 433.9200 LSFA02-434-002M0 440.2000 LSFA02-440-400K0 LSFB44-440-400K0 469.1875 LSFB20-469-001M0

Specifications

Item	Unit	Conditions	LSFB44-426-800K0 Specifications
Nominal Frequency	MHz	––––––	426.54
Operating Temperature Range	˚C	−10~+60	––––––
Storage Temperature Range	˚C	−30~+70	––––––
Ripple	dB	Fo ± 400kHz	0.4 *	1.5 MAX.
Insertion Loss	dB	Fo ± 400kHz	2.8 *	3.5 MAX.
Guaranteed Attenuation	dB	(F−21.4)±400kHz	60 *	50 MIN.
Terminating Impedance	Ω	––––––	50 Typical

Surface Acoustic Wave (SAW) Filters

200MHz Band SAW Filters for PHS

LSFB19-243-220K0/LSFB19-248-220K0

                                                                             Features                                          How to Order

•  SAW IF filter for PHS.

•  Miniature size and light weight. LSF B 19 - 243 - 220K 0 • Because it is leadless type, automatic   q e r t yw   mounting is possible.

Standard Frequencies      qLSF······ Li₂ B₄ O₇ SAW Filter

•  243.95MHz.       wB··········· Seam weld type

•  248.45MHz.       e19········· Package Number (01, 02·······)

r243······· Nominal Frequency t220······· Pass Bandwidth 220kHz y0··········· Sub-Number

Specifications                                                         Recommended Land Pattern _{(Unit : mm)}

Item Unit Conditions LSFB19-243-220K0 Specifications LSFB44-243-220K0 Specifictions Nominal Frequency MHz –––––– 243.95 248.45 Operating Temperature Range ˚C −10~+60 –––––– –––––– Storage Temperature Range ˚C −35~+85 –––––– –––––– Insertion Loss dB Minimum Loss 2.6 * 5.0 MAX. 2.6 * 5.0 MAX. Guaranteed Attenuation dB Fo±0.6MHz −0.6/52 * 25 MIN. −0.6/55 * 25 MIN. +0.6/34 * +0.6/36 * Fo±1.2MHz −1.2/47 * 40 MIN. −1.2/55 * 35 MIN. +1.2/43 * +1.2/43 * Fo-21.6MHz 70 * 60 MIN. 65 * 60 MIN. Group Delay Deviation µsec Fo±110kHz 0.5 * 1.2 MAX. 0.3 * 1.2 MAX.