Lsfb54 - 190 - 004m2. Balance connection type of input and output qLSF. Recommended Land Pattern, страница 3

* : Typ. * : Typ.

Surface Acoustic Wave (SAW) Filters

200MHz Band SAW Filters for PHS LSFB44-243-220K0

Features How to Order

• SAW IF filter for PHS.

• Miniature size and light weight. LSF B 44 - 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. e44········· Package Number (01, 02·······)

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

Specifications Recommended Land Pattern_{(Unit : mm)}

Item	Unit	Conditions	LSFB44-243-220K0 Specifictions
Nominal Frequency	MHz	––––––	243.95
Operating Temperature Range	˚C	−10~+60	––––––
Storage Temperature Range	˚C	−35~+85	––––––
Insertion Loss	dB	Minimum Loss	2.7 *	5.0 MAX.
Guaranteed Attenuation	dB	Fo±0.6MHz	−0.6/40 *	25 MIN.
		Fo±0.6MHz	+0.6/35 *	25 MIN.
		Fo±1.2MHz	−1.2/45 *	40 MIN.
		Fo±1.2MHz	+1.2/42 *	40 MIN.
		Fo-21.6MHz	70 *	60 MIN.
Group Delay Deviation	µsec	Fo±110kHz	0.4 *	1.2 MAX.

* : Typ.

Dimensions _{(Unit : mm)}Test Circuit

Monolithic Crystal Filters (MCF)

Characteristics Diagram and Terms of Crystal Filters

&% "

" ’

■ ! "

% % + % " ! "

% " ! " ,

% % ! " + $% "% % + %

% ! % "

+ - . / 0 ,

■

% % " $% 1 ,

% % +

1 2 3 4 5 6