LTM450EW Datasheet, PDF (1/3 Pages) Shenzhen Luguang Electronic Technology Co., Ltd – Ceramic Filter

LTM450EW
Ceramic Filter
1. THIS SPECIFICATION SHALL COVER THE CHARACTERISTICS OF
CERAMIC FIL TER WITH 450KHz,INTENED FOR USE IN TRANSCEIVERS,ETC.
2. PART NUMBER: LTM450EW
3. ELECTRONICAL SPECIFICATIONS
A. CENTRE FREQUENCY(f。) : 450 KHz±1.5KHz
B. BAND WIDTH AT 6 dB
: ±7.5 KHz MIN.(TO 450KHz)
C. BAND WIDTH AT 50 dB
: ±15.0 KHz MAX.(TO 450KHz)
D. STOP BAND ATTENUATION : 40 dB MIN.(AT f。±100KHz)
E. RIPPLE
: 2.0 dB MAX.( AT f。±5.0KHz)
F. INSERTION LOSS
: 6.0 dB MAX.(AT THE SMALLEST LOSS)
G TEMPRATURE COEFFICIENT
. OF CENTER FRENQUENCY : ±50PPM/℃ Max.(-20 TO +80℃)
H. INPUT/OUTPUT IMPEDANCE : 1.5 KΩ
NOTE : A) CENTER FREQUENCY SHALL BE DEFIED AS THE CENTRAL
VALUE OF THE BAND WTTH AL 6 dB
B) TEMPRATURE COEFFICIENT OF CENTER FREQUENCY
SHALL BE DEFINED AS THE AVERAGE OF THE CENTRAL
FREQUECY.
4. MEASUREMENT
A. ENVIRONMENTAL CONDITION
MEASUREMENT SHALL BE CARRIED OUT AT THE REFERENCE
TEMPERATURE OF 25℃ ±2℃. IT SHALL BE POSSIBLY DONE
AT 5℃ TO 35℃ CUNLESS IT IS QUESTIONABLE.
B. MEASURING CIRCUIT
# S.S.G.
(STANDARD SIGNAL GENERATION)
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