203918B--Datasheet/数据表在线中文翻译

SAW Bandpass Filter 203918B

1. Features

ꢀ

IF Bandpass Filter for DAB

Plastic Package

2. Package Dimension

1

2

3

4

5

1 3 . 5 ± 0 . 2

2 . 5 ± 0 . 2

ITF

203918B

0 . 4 9 ± 0 . 0 5

0 . 2 5 ± 0 . 0 5

2 . 4 4 ± 0 . 1

Package : SIP5D

Pin Configuration

1

Input

2

3

4

5

Input ground

Case ground

Output

Dimensions shown are nominal in millimeters

Tinned CuFe alloy

Output

Parameter

Unit

°C

Minimum

-10

Typical

Maximum

Operation Temperature Range

Storage Temperature Range

25

-

60

80

°C

-30

I T F Co., Ltd.

Part No.

203918B

2004-11-18

NT4009-AS01

102-901, Bucheon Technopark 364,

Samjeong-Dong, Ojeong-Gu, Bucheon-City,

Gyounggi-Do, Korea 421-809

Rev. Date

Rev.

1/5

SAW Bandpass Filter 203918B

3. Specifications

Fo = 38.912 MHz

Terminating source impedance : 50Ω

Terminating load impedance

: 2KΩ // 3pF

Minimum

Typical

38.912

18.7

Maximum

Center Frequency

MHz

dB

-

Insertion Loss

16.7

20.7

3dB Bandwidth

MHz

-

1.52

-

30dB Bandwidth

Relative Attenuation

30.01 ~ 36.27 MHz

36.27 ~ 37.31 MHz

40.61 ~ 41.41 MHz

41.41 ~ 50.01 MHz

2.62

dB

43.0

38.0

41.0

-

48.0

44.0

43.0

45.0

68

-

dB

Group Delay Variation (38.12 ~39.72 MHz)

Absolute Delay

nsec

usec

ppm/°C

-

1.43

-18

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.

Part No.

Rev. Date

Rev.

203918B

102-901, Bucheon Technopark 364,

Samjeong-Dong, Ojeong-Gu, Bucheon-City,

Gyounggi-Do, Korea 421-809

2004-11-18

NT4009-AS01

2/5

SAW Bandpass Filter 203918B

4. Matching Schematic

( Actual matching values may vary due to PCB layout and parasitics )

Balanced Output

2kΩ

Input

50

Ω

5. Marking Configuration

ITF¹⁾

203918B²⁾

1) Manufacturer name

2) Part Number

I T F Co., Ltd.

Part No.

Rev. Date

Rev.

203918B

102-901, Bucheon Technopark 364,

Samjeong-Dong, Ojeong-Gu, Bucheon-City,

Gyounggi-Do, Korea 421-809

2004-11-18

NT4009-AS01

3/5

SAW Bandpass Filter 203918B

6. Typical Performance ( at +25℃ )

26 Aug 2004 11:52:41

1_: 0

CH1

S

log MAG

10 dB/

REF -17.2 dB

dB

21

0.000 000 MHz

REF=1

PRm

Cor

BW: 2.627 001 MHz

cent: 38.931528 MHz

1

2

Q: 14.82

1_ loss: -17.968 dB

3

4

CH1 START 32.912 000 MHz

STOP 44.912 000 MHz

26 Aug 2004 11:57:24

1_: 0

CH1

CH2

S

log MAG

delay

1 dB/

100 ns/

REF -17.5 dB

REF 1.4 us

dB

21

3_ -7.1082 ns

2

0.000 000 MHz

PRm

Cor

REF=1

BW: 1.491 131 MHz

cent: 38.923843 MHz

1

2

Q: 26.104

1_ loss: -17.986 dB

3

2

1.600 000 MHz

REF=2

3

4

mean: 1.429 6 us

PRm

Cor

s.dev: 14.796 ns

p-p: 66.821 ns

Smo

1

CH1 CENTER 38.912 000 MHz

CH2 CENTER 38.912 000 MHz

SPAN 3.000 000 MHz

I T F Co., Ltd.

Part No.

203918B

102-901, Bucheon Technopark 364,

Samjeong-Dong, Ojeong-Gu, Bucheon-City,

Gyounggi-Do, Korea 421-809

Rev. Date

Rev.

2004-11-18

NT4009-AS01

4/5

SAW Bandpass Filter 203918B

26 Aug 2004 11:58:59

1_: 0

CH1

CH2

S

log MAG

phase

2 dB/

5

REF -17.5 dB

REF -53.7

dB

26 Aug 2004 11:51:36

21

CH1

S

log MAG

10 dB/

REF -17.2 dB

/

3_ 5.9659

21

0.000 000 MHz

PRm

Cor

REF=1

PRm

Cor

BW: 1.990 188 MHz

cent: 38.927742 MHz

1

2

Q: 19.56

1_ loss: -17.952 dB

3

2

1.600 000 MHz

2

REF=2

mean:-52.051

s.dev: 1.521

p-p: 6.1853

4

PRm

Cor

3

Del

1

CH1 CENTER 38.912 000 MHz

CH2 CENTER 38.912 000 MHz

SPAN 6.000 000 MHz

SPAN 3.000 000 MHz

CH1 START 29.000 000 MHz

STOP 51.000 000 MHz

26 Aug 2004 11:41:51

26 Aug 2004 11:53:53

CH1

S

log MAG

10 dB/

REF -27 dB

CH1

S

log MAG

10 dB/

REF -17.5 dB

21

PRm

Cor

PRm

Cor

CH1 START 0 s

STOP 5 us

CH1 START 20.000 000 MHz

STOP 120.000 000 MHz

I T F Co., Ltd.

102-901, Bucheon Technopark 364,

Samjeong-Dong, Ojeong-Gu, Bucheon-City,

Gyounggi-Do, Korea 421-809

Part No.

203918B

2004-11-18

NT4009-AS01

Rev. Date

Rev.

5/5