CRYSTAL
FILTERS
MCF FOR CORDLESS PHONE
s
Features
8
The image frequency (fo-910 kHz) can be attenuated
over 60 dB with one element.
8
Compactness and light weight
8
Outstanding temperature characteristics
8
Excellent design against shock/vibration
Model
Pole
Nominal
Frequency
3dB Pass
Bandwidth
Attenuation
Bandwidth
Ripple
Insertion Loss
21N12AE
2
21.7MHz
±6kHz min
21N12BP
4
21.7MHz
±6kHz min
58N12A
2
58N15BJ
4
58.1125MHz 58.1125MHz
±6kHz min ±7.5kHz min
15dB
40dB
15dB
35dB
±20kHz max ±20kHz max ±25kHz max ±25kHz max
1.0dB max 1.5dB max 2.0dB max 2.0dB max
2.0dB max 3.0dB max 3.0dB max 4.0dB max
30dB min at 60dB min at 45dB min at 80dB min at
+ (910±10) kHz + (910±10) kHz + (910±10) kHz + (910±10) kHz
Guranteed
60dB min at
60dB min at
Attenuation
– (910±10) kHz
– (910±10) kHz
Spurious:
Spurious:
Spurious:
Spurious:
12dB min
40dB min
6dB min
30dB min
Terminating
1.2kΩ//4.5pF
2.8kΩ//–1pF
Impedance
1.2kΩ//3.5pF Cc=11.5pF 2.7kΩ//–2pF Cc=–1pF
Operating
Temp. Range
–20°C~+70°C –20°C~+70°C –20°C~+60°C –20°C~+60°C
D-360-A
D-360-B
D-360-A
D-360-B
Type
Model : 21N12AE
ATT. (dB)
90
80
70
60
50
40
30
D-360-A~B
max
3.2
(mm)
20
10
7.9max
8.0max
-1.0
-0.8
-0.6
-0.4
-0.2
0
0.2
21.7MHz
0.4
0.6
0.8
1.0
(MHz)
20.0min
Mode l: 58N 12A
ATT. (dB)
90
80
70
60
(B)
50
40
30
3-ø0.35
3.75
±0.2
D-360-B means a pair of
D-360-A.
When D-360-B is used, please use
coupling capacitance.
Connecting mark
MCF
MCF
20
10
R//C
Cc
R//C
(A)
(A) -40 -30 -20 -10
0
10
(B) -1.00 -0.75 -0.50 -0.25
0
0.25
58.1125MHz
20
0.50
30
0.75
40 (kHz)
1.00 (MHz)
178
Microcontroller MCU
京公网安备 11010802033920号
EEWORLD
