881D251

SAW Delay-Line 881D251
1. Features
CDMA RF Delay-Line
Single-Ended Operation
DIP Package
Maximum Storage Temperature Range : -40
~ 85
Electrostatics Sensitive Device (ESD)
2. Package Dimension
ITF 04A001
881D251
Package : D3512
Pin Configuration
1
Input
5
Output
2, 4
Ground
3, 6
Case ground
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
881D251
Rev. Date
2004-07-08
Rev.
ND1002-CS02
SAW Delay-Line 881D251
3. Specifications
Fo = 881.5 MHz
Terminating source impedance
: 50Ω and matching network
Terminating load impedance
: 50Ω and matching network
Minimum
Typical
Maximum
MHz
878.5
881.5
884.5
dB
-
25.0
28.0
3dB Bandwidth
MHz
45.0
55.0
-
30dB Bandwidth
MHz
-
100.0
120.0
dB
-
0.8
1.0
Group Delay Variation (Fo +/- 12.5 MHz)
nsec
-
50
300
Absolute Delay
usec
4.8
5
5.2
dB
-
35
-
ppm/°C
-
-94
-
Center Frequency
Insertion Loss
Amplitude Ripple (Fo +/- 12.5 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Notes :
1)
All specifications are based on the matching schematic shown below
2)
All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature
3)
All attenuation measurements are measured relative to insertion loss
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
881D251
Rev. Date
2004-07-08
Rev.
ND1002-CS02
SAW Delay-Line 881D251
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
%&!
"# $
!
"#$
L1 = L2 = 6.8 nH
C1 = C2 = 2.7 pF
5. Marking Configuration
ITF1) 04A0012)
881D2513)
1) Manufacturer name
2) Lot Number
3) Part Number
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
881D251
Rev. Date
2004-07-08
Rev.
ND1002-CS02
SAW Delay-Line 881D251
6. Typical Performance ( at +25 ( )
CH1
S21
LOG
10 dB/
7 Jul 2004 12:44:52
1: 0. 0000 dB
0. 000 000 MHz
REF -24.19 dB
881D251
CH1 Markers
Smo
1
Cor
2
BW:
99. 854038
MHz
: 882 . 416075
MHz
REF=1
cent
Q: 8. 8371
1_loss : -24 . 318 dB
3
4
CENTER 881 . 500 000 MHz
CH2
CH4
S21
S21
LOG
DEL
1 dB/
300 ns/
SPAN 150 . 000 000 MHz
7 Jul 2004 12:49:34
3: - . 06990 dB
25. 000 000 MHz
3: 7. 1204 ns
25. 000 000 MHz
REF -24.7 dB
REF 5.33 us
881D251
CH2 Markers
REF=2
mean : -23 . 545 dB
s. dev : . 04280 dB
p-p : . 22320 dB
3
2
1
2
3
Smo
2
1
4
CH4 Markers
Cor
REF=2
mean : 5. 0597 us
Smo
s. dev : 8. 0738 ns
p-p : 34. 790 ns
Cor
CENTER 881 . 500 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
SPAN
30. 000 000 MHz
Part No.
881D251
Rev. Date
2004-07-08
Rev.
ND1002-CS02
'
SAW Delay-Line 881D251
CH1
S21
LOG
10 dB/
7 Jul 2004 12:45:17
1: 0. 0000 dB
0. 000 000 MHz
REF -24.19 dB
881D251
CH1 Markers
Smo
1
Cor
BW:
2
3
54. 331341
MHz
: 881 . 347908
MHz
4
REF=1
cent
Q: 16. 222
1_loss : -24 . 332 dB
CENTER 881 . 500 000 MHz
CH1
CH3
S11
S22
1 U FS
1 U FS
1: 158 . 58
2: 87. 020
SPAN 150 . 000 000 MHz
91. 406
29. 531
7 Jul 2004 12:45:52
16. 503 nH
881 . 500 000 MHz
5. 3319 nH
881 . 500 000 MHz
881D251
Smo
Cor
Cor
1
2
CENTER 881 . 500 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
SPAN 150 . 000 000 MHz
Part No.
881D251
Rev. Date
2004-07-08
Rev.
ND1002-CS02
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