HIGH FREQUENCY DEVICES
DIELECTRIC RESONATORS–DRD & DRT
M Series
GENERAL CHARACTERISTICS
I
High unloaded Q – 7,000 min. at 7GHz.
I
High dielectric constant –
r
38.
I
Resonant frequency temperature coefficient can be
chosen from 0 to 6ppm/°C. Tolerance of frequency
temperature coefficient can be chosen from ±0.5, ±1,
and ±2ppm/°C.
DIMENSIONS & FREQUENCY RANGE
DRD TYPE
Part Number
DRD046M
DRD051M
DRD055M
DRD060M
DRD065M
DRD071M
DRD077M
DRD084M
DRD091M
DRD099M
DRD107M
DRD117M
DRD127M
DRD138M
DRD150M
DRD163M
DRD178M
DRD193M
DRD210M
DRD228M
DRD248M
DRD270M
DRD293M
DRD319M
DRD347M
021
022
024
027
029
031
034
037
040
044
048
052
056
061
067
072
079
086
093
101
110
120
130
142
154
Dr ± 0.05
(mm)
4.65
5.06
5.50
5.98
6.50
7.07
7.69
8.36
9.09
9.88
10.75
11.68
12.70
13.81
15.02
16.33
17.76
19.31
21.00
22.83
24.82
26.99
29.35
31.91
34.70
Lr ± 0.05
(mm)
2.06
2.24
2.44
2.65
2.88
3.14
3.41
3.71
4.03
4.38
4.77
5.18
5.63
6.13
6.66
7.24
7.88
8.56
9.31
10.13
11.01
11.97
13.02
14.15
15.39
Frequency
Range (GHz)
11.46 to 12.45
10.54 to 11.46
9.69 to 10.54
8.91 to 9.69
8.20 to 8.91
7.54 to 8.20
6.93 to 7.54
6.38 to 6.93
5.87 to 6.38
5.40 to 5.87
4.96 to 5.40
4.56 to 4.96
4.20 to 4.56
3.86 to 4.20
3.55 to 3.86
3.27 to 3.55
3.00 to 3.27
2.76 to 3.00
2.54 to 2.76
2.34 to 2.54
2.15 to 2.34
1.98 to 2.15
1.82 to 1.98
1.67 to 1.82
1.54 to 1.67
CONFIGURATION
Dr
dr
Dr
Lr
Lr
DRT
Do
Dr
Resomics
Support
Lr
Ls
DRD
Copper
Cavity
Lo
HIGH FREQUENCY
DEVICES
TABLE 1: Q &
Characteristic
Code
C
D
E
F
f
DRT TYPE
Dielectric
Constant
(
r
)
37.4 ± 0.5
37.7 ± 0.5
38.0 ± 0.5
38.3 ± 0.5
Unloaded
Q
(at 7GHz)
7,400 min.
7,200 min.
7,100 min.
7,000 min.
Part Number
DRT051M020
DRT055M020
DRT060M020
DRT065M020
DRT071M020
DRT077M020
DRT084M030
DRT091M030
DRT099M030
DRT107M040
DRT117M040
DRT127M040
DRT138M040
DRT150M040
DRT163M040
DRT178M040
DRT193M040
DRT210M040
022
024
027
029
031
034
037
040
044
048
052
056
061
067
072
079
086
093
Dr ± 0.05 dr ± 0.1 Lr ± 0.05
(mm)
(mm)
(mm)
5.06
2.0
2.24
5.50
2.0
2.44
5.98
2.0
2.65
6.50
2.0
2.88
7.07
2.0
3.14
7.69
2.0
3.41
8.36
3.0
3.71
9.09
3.0
4.03
9.88
3.0
4.38
10.75
4.0
4.77
11.68
4.0
5.18
12.70
4.0
5.63
13.81
4.0
6.13
15.02
4.0
6.66
16.33
4.0
7.24
17.76
4.0
7.88
19.31
4.0
8.56
21.00
4.0
9.31
Frequency
Range (GHz)
10.45 to 11.45
9.69 to 10.45
8.91 to 9.69
8.20 to 8.91
7.54 to 8.20
6.93 to 7.54
6.38 to 6.93
5.87 to 6.38
5.40 to 5.87
4.96 to 5.40
4.56 to 4.96
4.20 to 4.56
3.86 to 4.20
3.55 to 3.86
3.27 to 3.55
3.00 to 3.27
2.76 to 3.00
2.54 to 2.76
Frequency Temperature
Coefficient
(
f
) (ppm/°C)
0
2
4
6
Q can be approximated by:
Q
≥
100,000
1.95 x fo + 0.117 x
f
– 0.15
TABLE 2:
Special Code
No Code
A
B
f
TOLERANCE
Tolerance of Frequency
Temperature Coefficient
(ppm/°C)
±2
±1
±0.5
PART NUMBERING
DRT
Outside diameter
DRD = disk type
DRT = cylindrical type
(Dr)
Note:
055
Material
type
M
Inside
020
024
(Resonant Freq., T.C.)
as shown in Table 1
f
A
Thickness
f
tolerance
as shown in Table 2
diameter
(dr) for DRT only
(Lr)
For actual dimension in mm, divide number by 10.
CG01-J
293
PCB Design
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