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SPECIFICATION
PRODUCT:
SAW FILTER
MODEL: HF738901D (K7257D) SIP5D
HOPE MICROELECTRONICS CO.,LIMITED
Tel:+86-755-82973806
Fax:+86-755-82973550
E-mail:
sales@hoperf.com
http://www.hoperf.com
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1.Construction
1.1 Dimension and materials
Type : F738901D
1.2. Circuit construction, measurement circuit
2.Characteristics
Standard atmospheric conditions
Unless otherwise specified , the standard rang of atmospheric conditions for making
measurements and tests is as follows;
Ambient temperature : 15℃ to 35℃
Relative humidity
: 25% to 85%
Air pressure
: 86kPa to 106kPa
1
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
AC voltage
VDC
Vpp
12
10
V
V
Between any terminals
Between any terminals
2.2 Electrical Characteristics
Characteristics in B/G,L/L’ mode (switching input pin 2 connected to ground pin 3 )
Source impedance
Load impedance
Item
Insertion attenuation
Reference level
Zs=50Ω
Z
L
=2kΩ//3pF
Freq
min
37.40MHz
14.5
4.5
-
-1.0
28.0
-
42.0
42.0
42.0
35.0
40.0
40.0
35.0
35.0
40.0
T
A
=25℃
typ
16.5
6.0
7.9
0.5
40.0
36.0
55.0
56.0
54.0
47.0
50.0
50.0
44.0
41.0
50.0
max
18.5
7.5
-
2.0
-
-
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
38.90MHz
33.90MHz
34.47MHz
33.40MHz
33.05MHz
Relative attenuation
30.90MHz
31.90MHz
32.40MHz
40.15MHz
40.40MHz
41.40MHz
25.00~31.90MHz
Sidelobe
40.40~45.00MHz
Reflected wave signal suppression
1.2 us … 6.0 us after main pulse
(test pulse 250 ns ,
carrier frequency 37.40 MHz)
Feedthrough signal suppression
1.2 us … 6.0 us after main pulse
(test pulse 250 ns ,
carrier frequency 37.40 MHz)
Temperature coefficient
42.0
52.0
-72
dB
ppm/k
2
Characteristics in M/N mode (switching input pin 2 connected to input pin 1 )
Source impedance
Load impedance
Item
Insertion attenuation
Reference level
Zs=50Ω
Z
L
=2kΩ//3pF
Freq
37.40MHz
min
14.5
4.9
1.1
22.0
35.0
40.0
33.0
30.0
40.0
Typ
16.5
6.4
2.6
35.0
42.0
47.0
41.0
37.0
50.0
max
18.5
7.9
4.1
-
-
-
T
A
=25℃
dB
dB
dB
dB
dB
dB
dB
dB
dB
38.90MHz
35.32MHz
Relative attenuation
34.40MHz
32.90MHz
40.40MHz
25.00~32.90MHz
Sidelobe
39.50~45.00MHz
Reflected wave signal suppression
1.2 us … 6.0 us after main pulse
(test pulse 250 ns ,
carrier frequency 37.40 MHz)
Feedthrough signal suppression
1.2 us … 6.0 us after main pulse
(test pulse 250 ns ,
carrier frequency 37.40 MHz)
Temperature coefficient
-
48.0
-72
dB
ppm/k
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
-40℃ 1000H
Humidity test
< 1.0
40℃ 90-95% 1000H
Thermal shock
< 1.0
-20℃==25℃==80℃ 20 cycle
30M
10M
30M
Solder temperature test
< 1.0
Sold temp.260℃ for 10 sec.
Soldering
More then 95% of total
Immerse the pins melt solder
area of the pins should
be covered with solder
at 260℃+5/-0℃ for 5 sec.
2.4 Mechanical Test
Item
Test condition
Vibration test
Allowable change of absolute
Level at center frequency(dB)
<1.0
3
600-3300rpm amplitude 1.5mm
3 directions 2 H each
Drop test
On maple plate from 1 m high 3 times
Lead pull test
Pull with 1 kg force for 30 seconds
Lead bend test
90
o
bending with 500g weigh 2 times
2.5 Voltage Discharge Test
Item
Test condition
Surge test
Between any two electrode
<1.0
<1.0
<1.0
Allowable change of absolute
Level at center frequency(dB)
<1.0
3.6 Frequency response
Frequency response in B/G,L/L’ mode
4
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