85.0 MHz SAW Filter
Part Number
241907B
1. Features
Typical 1dB bandwidth of
18.8 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Room Temperature : +25℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
45dB Bandwidth
Amplitude Ripple (Fo±9.22MHz)
Group Delay Variation (Fo±9.22MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
* Input POWER : 10dBm
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
-
Minimum
-
84.91
18.75
-
-
-
-
-
50
-
Typical
85.0
85.0
18.87
19.17
20.50
0.4
40
2.22
55
-72
128-LN
Maximum
-
85.09
-
-
20.60
1.0
100
2.28
-
-
D2012 Package Dimension
Matching Schematic
1
5
L3
Output
50
Ω
12.7±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Input
50
Ω
L1
L2
ITF 13A001
241907B
85-18.8M
0.45±0.05
20.3±0.5
2.5±0.2
12.7±0.2
L1 = 47nH, L2 = 270nH, L3 = 47nH
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
Input
Output
1
5
Ground
Others
2,4
Ground
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2013. 04. 30
Rev 1.0
85.0 MHz SAW Filter
Part Number
241907B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -23.47 dB
REF -23.83 dB
26 Oct 2012 11:33:00
1: 0. 0000 dB
0. 000 000 MHz
3: . 23180 dB
18. 440 000 MHz
CH1 S21
LOG
10 dB/
45dB Bandwidth
REF -23.6 dB
26 Oct 2012 11:31:21
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
BW 18. 876282 MHz
:
Cor
cent :
85. 068660 MHz
Q: 4. 5066
1
2
1_loss : -23 . 620 dB
C
1
2
CH1 Markers
REF=1
BW 20. 500284 MHz
:
cent :
85. 051790 MHz
Q: 4. 1488
1_loss : -23 . 677 dB
3
4
3
2
Cor
CH2 Markers
REF=2
mean:-23 . 652 dB
s. dev : . 07050 dB
p-p : . 37550 dB
3
4
CENTER 85. 000 000 MHz
SPAN 24. 000 000 MHz
CENTER 85. 000 000 MHz
SPAN 65. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
REF -23.47 dB
REF 2.253 us
26 Oct 2012 11:33:30
1: 0. 0000 dB
0. 000 000 MHz
3: 2. 5007 ns
18. 440 000 MHz
CH1 S11
CH2 S22
1 U FS
1 U FS
Smith Chart(S11 & S22)
1: 45. 848
2: 10. 270
-88 . 531
-34 . 529
26 Oct 2012 11:35:24
21. 150 pF
85. 000 000 MHz
54. 227 pF
85. 000 000 MHz
CH1 Markers
REF=1
BW 19. 177604 MHz
:
Cor
cent :
85. 066653 MHz
Q: 4. 4357
1
2
1_loss : -23 . 620 dB
Cor
3
Smo
Cor
2
3
CH2 Markers
REF=2
4
mean: 2. 2268 us
s. dev : 6. 0462 ns
p-p : 32. 043 ns
2
Cor
1
CENTER 85. 000 000 MHz
SPAN 24. 000 000 MHz
CENTER 85. 000 000 MHz
SPAN 65. 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
REF -25.19 dB
26 Oct 2012 11:36:26
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
SWR(S11 & S22)
REF 5.254
REF 7.151
26 Oct 2012 11:35:13
1: 5. 2510
85. 000 000 MHz
2: 7. 2385
85. 000 000 MHz
CH1 Markers
REF=1
2:-66 . 384 dB
85. 0000 MHz
3:-56 . 628 dB
170. 000 MHz
Cor
1
1
Cor
2
3
START . 010 000 MHz
2
STOP 300. 000 000 MHz
CENTER 85. 000 000 MHz
SPAN 65. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2013. 04. 30
Rev 1.0
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