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
Item
Freq
min
Insertion attenuation
37.45MHz
14.9
Reference level
38.95MHz
4.0
33.95MHz
6.1
34.52MHz
0.1
33.45MHz
17.0
32.95MHz
40.0
Relative attenuation
32.45MHz
42.0
30.95MHz
42.0
31.95MHz
42.0
40.20MHz
35.0
40.45MHz
42.0
41.45MHz
41.0
25.05~31.95MHz
38.0
Sidelobe
40.45~45.05MHz
35.0
Reflected wave signal suppression
1.2 us … 6.0 us after main pulse
40.0
(test pulse 250 ns ,
carrier frequency 37.45 MHz)
Feedthrough signal suppression
1.2 us … 1.1 us after main pulse
45.0
(test pulse 250 ns ,
carrier frequency 37.45 MHz)
Group delay ripple
(p-p)
-
Temperature coefficient of frequency
Between any terminals
Between any terminals
T
A
=25℃
typ
16.9
5.5
7.3
1.3
19.9
50.0
55.0
58.0
52.0
42.0
52.0
53.0
47.0
40.0
50.0
max
18.9
7.0
8.5
2.5
-
-
-
-
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
52.0
50
-72
-
dB
ns
Ppm/k
2
HOPERF [ Hope Microelectronics co., Ltd ]
