250701B [ITF]

SAW Bandpass Filter 250701B - Preliminary

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

12.7±0.5

5.5max 6.0max

7.6±0.2

ITF 04A001

250701B

0.45±0.05

20.3±0.5

2.5±0.2

Package : D2012

Pin Configuration

1

Input

Output

Ground

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

5

2, 4

3, 6

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.

250701B

2004-03-10

DS4023-CS01

1/5

12.7±0.2

2.5±0.2

SAW Bandpass Filter 250701B - Preliminary

3. Specifications

Fo = 140.0 MHz

Terminating source impedance

Terminating load impedance

: 50Ω and matching network

: 50Ω and matching network

Minimum

Center Frequency

Insertion Loss

1dB Bandwidth

3dB Bandwidth

40dB Bandwidth

Amplitude Ripple (Fo +/- 3.0 MHz)

Group Delay Variation (Fo +/- 3.0 MHz)

Absolute Delay

Ultimate Rejection

Temperature Coefficient of Frequency

MHz

dB

MHz

MHz

MHz

dB

nsec

usec

dB

ppm/°C

139.75

-

-

7.0

-

-

-

-

50

-

Typical

140.0

22.0

6.98

7.3

8.7

0.5

100

2.93

55

-23

Maximum

140.25

25.0

-

-

9.0

1.0

200

-

-

-

Notes :

1)

2)

3)

All specifications are based on the matching schematic shown below

All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature

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.

Rev. Date

Rev.

250701B

2004-03-10

DS4023-CS01

2/5

SAW Bandpass Filter 250701B - Preliminary

4. Matching Schematic

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

Input

50

Ω

Output

50

Ω

L1

L2

L1 = 27 nH,

L2 = 33 nH

5. Marking Configuration

ITF

1)

04A001

2)

250701B

3)

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.

Rev. Date

Rev.

250701B

2004-03-10

DS4023-CS01

3/5

SAW Bandpass Filter 250701B - Preliminary

6. Typical Performance ( at +25℃ )

CH1

S 21

log MAG

10 dB/

REF -21.13 dB

1_: 0

0.000 000 MHz

PRm

BW:

Cor

1

cent: 139.976825 MHz

2

Q: 16.093

1_ loss: -21.106 dB

8.697 964 MHz

REF=1

dB

3

4

CH1 CENTER 140.000 000 MHz

SPAN 22.000 000 MHz

CH1

CH2

PRm

Cor

S 21

S 21

log MAG

delay

1 dB/

200 ns/

REF -20.87 dB

REF 2.908 us

1_ 0

dB

3_:-28.896 ns

0.000 000 MHz

REF=1

BW:

7.327 827 MHz

cent: 140.003487 MHz

Q: 19.106

1

1_ loss: -21.101 dB

2

6.000 000 MHz

3

REF=2

2

PRm

3

Cor

2

mean: 2.930 9 us

s.dev: 15.575 ns

p-p: 73.338 ns

4

Smo

1

CENTER 140.000 000 MHz

SPAN

8.000 000 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.

250701B

2004-03-10

DS4023-CS01

4/5

SAW Bandpass Filter 250701B - Preliminary

CH1

CH1

CH2

PRm

Cor

BW:

6.998 182 MHz

S 21

S 21

log MAG

log MAG

1 dB/

1 dB/

REF -20.87 dB

REF -21.29 dB

1_: 0

dB

3_ -.0467 dB

0.000 000 MHz

REF=1

S 21

log MAG

10 dB/

REF -21.7 dB

1_: 0

0.000 000 MHz

dB

PRm

REF=1

2_:-78.299 dB

140 MHz

3_:-45.179 dB

280 MHz

1

cent: 140.004000 MHz

Q: 20.006

1

1_ loss: -21.107 dB

2

3

6.000 000 MHz

2

3

4

REF=2

PRm

Cor

mean:-21.141 dB

s.dev: .0875 dB

p-p: .3852 dB

3

1

CENTER 140.000 000 MHz

SPAN

8.000 000 MHz

2

START

.010 000 MHz

2

STOP 500.000 000 MHz

CH1

CH2

PRm

Cor

1

S 11

S 22

SWR

SWR

500 m /

500 m /

REF 1.609

REF 1.849

1_ 1.6083

2_: 1.8498

140.000 000 MHz

CH1

CH2

PRm

Cor

S 11

S 22

1 U FS

1 U FS

1_: 78.23

2_ 62.906

-10.254

-32.564

110.87 pF

34.91 pF

140.000 000 MHz

1

2

1

140.000 000 MHz

140.000 000 MHz

2

PRm

Cor

2

PRm

Cor

CENTER 140.000 000 MHz

SPAN 22.000 000 MHz

CENTER 140.000 000 MHz

SPAN 22.000 000 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.

250701B

2004-03-10

DS4023-CS01

5/5