Relative humidity
Air pressure
: 25% to 85%
: 86kPa to 106kPa
Operating temperature rang
Operating temperature rang is the rang of ambient temperatures in which the filter
can be
operated continuously. -10℃ ~ +60℃
Storage temperature rang
Storage temperature rang is the rang of ambient temperatures at which the filter can
be stored
without damage.
Conditions are as specified elsewhere in these specifications. -40℃ ~ +70℃
Reference temperature
+25℃
2.1 Maximum Rating
DC voltage
VDC
12
V
AC voltage
Vpp
10
V
2.2 Electrical Characteristics
Source impedance
Zs=50Ω
Load impedance
Z
L
=2kΩ//3pF
Items
Insertion attenuation
Reference level
Freq
37.4MHz
Min
16.1
4.2
2.3
18.8
19.4
42.0
40.0
40.0
35.0
35.0
typ
17.6
5.7
3.8
20.3
20.9
58
52
50
45
42
-72
Between any terminals
Between any terminals
T
A
=25℃
max
19.1
7.2
5.3
-
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Ppm/k
38.9MHz
34.47MHz
32.4MHz
Relative attenuation
33.4MHz
30.9MHz
40.4MHz
41.4MHz
25.00~30.90MHz
Sidelobe
40.40~45.00MHz
Temperature coefficient
2.3 Environmental Performance Characteristics
Item Test condition
Allowable change of absolute
Level at center frequency(dB)
High temperature test
< 1.0
70℃ 1000H
Low temperature test
< 1.0
2
HOPERF [ Hope Microelectronics co., Ltd ]
