LT450HTU Datasheet, PDF (1/3 Pages) Shenzhen Luguang Electronic Technology Co., Ltd – Ceramic Filter

LT450HTU
Ceramic Filter
1. THIS SPECIFICATION SHALL COVER THE CHARACTERISTICS OF
CERAMIC FIL TER WITH 450KHz,INTENED FOR USE IN TRANSCEIVERS,ETC.
2. PART NUMBER: LT450HTU
3. ELECTRONICAL SPECIFICATIONS
A. CENTRE FREQUENCY(f。)
: 450KHz±1.0KHz
B. BAND WIDTH AT 6 dB
: ±3.0KHzMIN.(TO 455KHz)
C. BAND WIDTH AT 40 dB
: ±9.0KHzMAX.(TO 455KHz)
D. STOP BAND ATTENUATION : 35 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 : 2.0KΩ
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)
R.F.V.M. (RADIO FREQUENCY VOLTAGE METER)
Rg+R1=R2=2.0KΩ
C﹤=50PF
SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD.