CERAMIC MICROWAVE FILTERS
BAND PASS FILTERS–DP TYPE
DFC Se rie s
2-POLE – GPS/ ISM915 PART NUMBERING SYSTEM
DFC
2
836
P
025
HH
A
DESCRIPTION
DFC: Band Pass
Filter
POLES
FREQUENCY IN GHZ
TYPE
BAND WIDTH PACKAGE TYPE
HH: Monoblock
3: 3 Pole IR96:1.96GHz (1960MHz) E: Band Elimination 186: 186MHz LH: Monoblock
SPECIFICATION
DEPENDENT
A–Z
2: 2 Pole R836: .836 GHz (836MHz) P: Band Pass Filter 025: 25MHz
4: 4 Pole
Filter
BH: Discrete
Resonator
TRANSMISSION vs. REFLECTION CHARACTERISTICS
DIMENSIONS: mm
DFC2R915P026BHD
1.3
DFC21R57P002BHA
2
3
1.5
0
20
40
0
0
5
0
5
HB
13.5
34
M
2
1
1.5
1.56
10
20
30
10
15
20
25
30
10
15
20
25
30
35
40
OUT
IN
1.3
1.5
6.6
2.9 ± 0.3
2
2.3
60
80
CONDUCTIVE
MATERIAL
+0.2
–0.3
35
40
45
7
40
45
1015
0.15
1375 (BHA)
1575.42
1775 (BHA)
815
915.0
TOLERANCES UNLESS
OTHERWISE SPECIFIED: ± 0.2
Frequency (MHz)
Frequency (MHz)
SPECIFICATIONS
Center Frequency Bandwidth
Insertion Loss
in BW (dB)
Ripple in BW V.S.W.R. in Attenuation (dB)
Application
Part Number
Marking
HB
fo (MHz)
(MHz)
(dB)
BW
(MHz)
0.8 (+25°C)
0.9 (–30 ~ +85°C)
16 (fo – 140)
14 (fo + 140)
23 (fo – 77.5)
18 (fo + 77.5)
GPS
DFC21R57P002BHA
DFC2R915P026BHD
1575.42
fo ± 1.0
0.3
2.0
ISM915
915.0
fo ± 13.0
2.3
1.0
2.0
GB
2-POLE – ISM 2.4GHZ/GPS
DIMENSIONS: mm
1.5
1.5
7
2
2
3
2.75
2.3
10
34
M
1.5
1.5
2
IN
OUT
CONDUCTIVE
MATERIAL
TOLERANCES UNLESS
OTHERWISE SPECIFIED: ± 0.2
0.15
TRANSMISSION vs. REFLECTION CHARACTERISTICS
DFC22R44P084BHD
DFC21R57P002BHD
0
20
40
60
0
0
5
0
5
10
15
20
25
30
35
40
10
15
20
25
30
10
20
30
35
40
45
80
40
45
1475.5
fo – 500
fo
fo + 500
1575.5
Frequency (MHz)
1675.5
Frequency (MHz)
SPECIFICATIONS
Center Frequency Bandwidth
Insertion Loss
in BW (dB)
Ripple in BW V.S.W.R. in Attenuation (dB)
Application
Part Number
Marking
fo (MHz)
(MHz)
(dB)
BW
(MHz)
1.0 (+25°C)
1.2 (–35 ~ +85°C)
ISM 2.4GHz DFC22R44P084BHD
2442.0
fo ± 42.0
0.5
2.0
15 (fo ± 250)
GC
12 (fo – 30)
11 (fo + 30)
22 (fo – 50)
18 (fo + 50)
GPS
DFC21R57P002BHD
1575.5
fo ± 1.0
3.0
0.5
2.0
GD
CG01-H
329