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250204B

更新时间：2025-07-03 07:59:59

品牌：ITF

描述：SAW Bandpass Filter

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概述
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250204B 概述

SAW Bandpass Filter SAW带通滤波器

250204B 数据手册

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SAW Bandpass Filter 250204B

1. Features

IF bandpass filter

High attenuation

Single-ended operation

DIP Package

Maximum Storage Temperature Range : -40℃ ~ 85℃

Electrostatics Sensitive Device (ESD)

2. Package Dimension

12.8±0.5

5.5max 6.0max

7.6±0.2

Package : D3512

Pin Configuration

Input

Output

Dimensions shown are nominal in millimeters

Base : Fe(SPCC), Au plating over Ni plated

Cap : Cu & Cr Alloy, Ni Plated

Termination : Kovar, Au Plated

2, 5

Other

Ground

Case ground

I T F Co., Ltd.

Part No.

250204B

102-901, Bucheon Technopark 364,

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

Gyounggi-Do, Korea 421-809

Rev. Date

2005-10-10

1/5

Rev.

NW5013-CS01

SAW Bandpass Filter 250204B

3. Specifications

Fo = 160 MHz

Terminating source impedance : 50Ω and matching network

Terminating load impedance

: 50Ω and matching network

Operating temperature range : -10℃ ~ +60℃

Minimum

Typical

140.0

21.5

1.97

2.2

Maximum

Center Frequency

MHz

139.9

140.1

Insertion Loss

1dB Bandwidth

MHz

3dB Bandwidth

2.1

40dB Bandwidth

3.2

3.3

1.0

Amplitude Ripple (Fo +/- 0.8 MHz)

Group Delay Variation (Fo +/- 0.8 MHz)

Absolute Delay

0.5

nsec

usec

100

3.0

Ultimate Rejection

Temperature Coefficient of Frequency

ppm/°C²

-0.03

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

3) Electrical margin has been built into the design to account for the variations due to temperature drift and

manufacturing tolerances

4) All attenuation measurements are measured relative to insertion loss

I T F Co., Ltd.

Part No.

Rev. Date

Rev.

250204B

102-901, Bucheon Technopark 364,

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

Gyounggi-Do, Korea 421-809

2005-10-10

2/5

NW5013-CS01

SAW Bandpass Filter 250204B

4. Matching Schematic

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

Input

50Ω

Output

50Ω

L1 = 68 nH, L2 = 68 nH

C1 = 36 pF, C2 = 33 pF

5. Marking Configuration

ITF¹⁾05A001²⁾

250204B³⁾

1) Manufacturer name

2) Lot Number

3) Part Number

I T F Co., Ltd.

Part No.

Rev. Date

Rev.

250204B

102-901, Bucheon Technopark 364,

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

Gyounggi-Do, Korea 421-809

2005-10-10

3/5

NW5013-CS01

SAW Bandpass Filter 250204B

6. Typical Performance ( at +25℃ )

10 Oct 2005 13:40:20

1: 0. 0000 dB 0. 000 000 MHz

CH1

S21

LOG

10 dB/

REF -19.7 dB

250204B

CH1 Markers

REF=1

BW:

3. 207987

MHz

Cor

cent

139 . 978290

MHz

Q: 43 . 634

1_loss

-20 . 047 dB

CENTER 140 . 000 000 MHz

SPAN

10 . 000 000 MHz

10 Oct 2005 13:41:02

CH2

CH4

S21

LOG

DEL

1 dB/

300 ns/

REF -19.7 dB

REF 3.2 us

1: 0. 0000 dB

2: -25 . 135 ns

0. 000 000 MHz

1. 600 000 MHz

CH2 Markers

REF=1

BW:

2. 237750

MHz

cent

139 . 978402

Q: 62 . 553

-20 . 059 dB

1_loss

Cor

CH4 Markers

Smo

REF=1

mean

2. 9894 us

28 . 559 ns

130 . 59 ns

Cor

s. dev

p-p

CENTER 140 . 000 000 MHz

SPAN

3. 000 000 MHz

I T F Co., Ltd.

Part No.

250204B

102-901, Bucheon Technopark 364,

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

Gyounggi-Do, Korea 421-809

Rev. Date

Rev.

2005-10-10

4/5

NW5013-CS01

SAW Bandpass Filter 250204B

10 Oct 2005 13:41:13

10 Oct 2005 13:43:07

CH2 S21

CH4 S21

LOG

1 dB/ REF -19.7 dB

1: 0. 0000 dB

2: . 06920 dB

0. 000 000 MHz

1. 600 000 MHz

CH1 S21

LOG

10 dB/ REF -19.7 dB

1: 0. 0000 dB

0. 000 000 MHz

250204B

CH2Markers

CH1Markers

REF=1

BW: 2. 005370 MHz

cent : 139. 981784 MHz

Q: 69. 803

2:-45. 000 dB

87. 0000 MHz

3:-51. 315 dB

115. 000 MHz

1_loss : -20. 060 dB

Cor

CH4Markers

mean:-19. 984 dB

s. dev: . 08210 dB

p-p : . 37510 dB

REF=1

CENTER140. 000 000 MHz

SPAN 3. 000 000 MHz

START . 010 000 MHz

STOP 350. 000 000 MHz

10 Oct 2005 13:42:11

10 Oct 2005 13:41:56

CH1 S11

CH3 S22

SWR

REF 0

1: 3. 2533

2: 2. 8219

140. 000 000 MHz

CH1 S11

CH3 S22

1 U FS

1: 15. 864

2: 20. 179

8. 5854

17. 339

9. 7601 nH

19. 711 nH

140. 000 000 MHz

250204B

Cor

CENTER140. 000 000 MHz

SPAN 10. 000 000 MHz

CENTER140. 000 000 MHz

SPAN 10. 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.

Rev. Date

Rev.

250204B

2005-10-10

5/5

NW5013-CS01

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