MCF (Monolithic Crystal Filter)
Epson Toyocom
Product number (please contact us)
MF-722A : X1F000131xxxx00
MF-723A : X1F000141xxxx00
CRYSTAL FILTER
FOR MINIATURE SIZE RADIO EQUIPMENT/ IF
MF - 722A
MF - 723A
•Number
of poles
•Available
frequency range
•Old
name
•Number
of poles
•Available
frequency range
•Old
name
: 2 pole
: 19 MHz to 150 MHz
: TF2-21B14
: 3 pole
:19 MHz to 150 MHz
: TS3-45A01
•High
frequency 3 pole filters with original process technology.
•Applications
: Various kinds of miniature size radio equipment
Actual size
Specifications (characteristics)
Item
Nominal frequency
Storage temperature range
Operating temperature range
Number of poles
Pass bandwidth
Insertion loss
Ripple
Stop bandwidth
Guaranteed attenuation
Terminating impedance
Package
Symbol
f_nom
T_stg
T_use
-
P_Bw
IL
Ripple
S_Bw
G_Att
Zt
-
MF-722A
21.4 MHz , 21.7 MHz
-40 °C to +85 °C
-30 °C to +85 °C
2
f_nom ±7.5 kHz Min.
1.5 dB Max.
1 dB Max.
f_nom±25 kHz:15 dB Min.
f_nom -910 kHz:70 dB Min.
MF-723A
45 MHz
45 MHz
-40 °C to +85 °C
-30 °C to +85 °C
3
f_nom ±15 kHz Min.
3 dB Max.
1 dB Max.
f_nom±50 kHz:20 dB Min.
f_nom -800 kHz to
-1000 kHz:70 dB Min.
Remarks
Other frequency and pass
bandwidth are available upon
request.
-40 °C to +85 °C
-30 °C to +85 °C
2
f_nom ±15 kHz Min.
3 dB Max.
1 dB Max.
f_nom±50 kHz:15 dB Min.
f_nom -800 kHz to
-1000 kHz:70 dB Min.
1500
Ω
// 1.0 pF
TS-75A
1100
Ω
// 0 pF
TS-75A
1200
Ω
// -1.0 pF
TS-75A
Electrical DATA
MF-722A
0
10
21.4 MHz
0
100
90
MF-723A
B
A
1
45 MHz
A: Inserttion Attenuation (dB)
B: Inserttion Attenuation (dB)
20
30
40
50
60
70
80
90
100
2
3
4
5
6
7
80
70
60
50
40
30
20
10
0
C
8
9
10
A: -1.000
B,C: -0.015
21.400
Frequency (MHz)
A: +1.000
B: +0.015
C:Group Delay Time (µs)
-1
-0.025
+1
+0.025
External dimensions
(Unit:mm)
Footprint (Recommended)
(Unit:mm)
http://www.epsontoyocom.co.jp
EPSONTOYOCOM [ EPSON TOYOCOM ]
