LTU455B2 AEL [AEL Crystals Ltd], LTU455B2 Datasheet
LTU455B2
Manufacturer Part Number
LTU455B2
Description
Ceramic Filter 455kHz or 450kHz
Manufacturer
AEL [AEL Crystals Ltd]
Datasheet
1.LTU455B2.pdf
(2 pages)
Specify
Order Hotline +44 1293 524245
www.aelcrystals.co.uk
LTU455B2
LTU455C2
LTU455D2
LTU455E2
LTU455F2
LTU455G2
LTU455H2
LTU455I2
LTU455HT
Frequency Characteristics
FEATURES
To take the best advantage of the safety feature of ceramic filters, connect output to anIF amplifier through a DC cut capacitor.
Avoid directly applying DC to output end of ceramic filters (Between 5 & 2,3,4)
S P E C I F I C A T I O N
Numb er
1 0
2 0
3 0
4 0
5 0
6 0
Part
0
F R E Q U E N C Y
400
7
High Selectivity
Low Cost
Wide Range of bandwidths Available
Industry Standard Outline & Pinout
410
420
455 +/ -2.0
455 +/ -2.0
455 +/ -1.5
455 +/ -1.5
455 +/ -1.5
455 +/ -1.5
455 +/ -1.0
455 +/ -1.0
455 +/ -1.0
q u a r t z
Freq (M Hz)
8
Centre
430
Freq (kHz)
440
Ceramic Filter
455kHz or 450kHz
450
C H A R A C T E R I S T I C S
8.2
4
460
(dB Max)
Insertion
b a s e d
Loss
4
4
4
6
6
6
6
6
6
470
480
490
Pass Band
(dB Max)
Ripple
500
f r e q u e n c y
3
2
2
2
2
2
2
2
2
2
LTU 455B2
LTU 455E2
LTU 455H2
2.7
2 1
+ / - 15 .0
+ / - 12 .5
+ / - 10 .0
+ / - 7 .5
+ / - 6 .0
+ / - 4 .5
+ / - 3 .0
+ / - 2 .0
+ / - 3 .0
Bandwidth
(kHz Min)
6 dB
44
LTU Series
4.3
Test Circuit
+/ -30.0
+/ -24.0
+/ -20.0
+ / - 15 .0
+ / - 12 .5
+ / - 10 .0
+ / - 9 .0
+ / - 7 .5
+ / - 9 .0
Bandwidth
APPLICATIONS
(kHz Min)
c o n t r o l
40 dB
Communications Equipment
Rg+R1+R2=input/Output Impedence
C=10pF (Including strays and input/output
capacitance of RF Voltmeter
www.aelcrystals.co.uk
sales@aelcrystals.co.uk
Rg
S.S.G
R1
Att. + / -100kHz
Pin Connections
1 = Input
2 = Ground
3 = Output
Stopband
(dB M in )
c o m p o n e n t s
27
27
27
27
27
25
25
25
35
1
2
LTU
3
R2
Impedence ( )
Input/Output
C
2000
2000
2000
2000
2000
1500
1500
1500
1500
RF
V.M
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LTU455B2 Summary of contents
Page 1
... Avoid directly applying DC to output end of ceramic filters (Between 5 & 2,3,4) FEATURES High Selectivity Low Cost Wide Range of bandwidths Available Industry Standard Outline & Pinout Part Centre Numb er Freq (M Hz) LTU455B2 455 +/ -2.0 LTU455C2 455 +/ -2.0 LTU455D2 455 +/ -1.5 LTU455E2 455 +/ -1 LTU455F2 455 +/ -1.5 LTU455G2 455 +/ -1 ...
Page 2
Specify Ceramic Filter 450 kHz & 455kHz 11.3 7 33-455D To take the best advantage of the safety feature of ceramic filters, connect output to anIF amplifier through a DC cut capacitor. Avoid directly applying DC to output end of ...