Tel: +44 1460 256 100

Fax: +44 1460 256 101

www.golledge.com

Golledge Electronics Ltd

Eaglewood Park, ILMINSTER

Somerset, TA19 9DQ, UK

240.0MHz SAW Filter

Model: TB0270A

Part No: MA07934

REV NO.: 1

TB0270A v1

1

A. MAXIMUM RATING:

1.Operating Temperature: -40

°C ~ 80 °C

2. Storage Temperature: -40

°C ~ +85 °C

B. CHARACTERISTICS:

1. Ambient Temperature: 25

°C

Value

Characteristics

Min.

Typ.

Max.

Note

Center frequency

MHz

-

240

-

-

Minimum Insertion loss I.L.

dB

-

7.7

8.5

-

Passband ripple (Fc±7MHz)

dB

-

0.8

1.4

-

Phase linearity (Fc±6.3MHz)(p-p)

deg

-

6

15

-

Return loss at Input and Output (Fc±6.3MHz ) dB

9.5

12

1

-

Group Delay (Fc±7MHz)

μ S

-

0.6

1

-

Group Delay Ripple (Fc±7MHz)

nS

-

33

100

1

Triple transit suppression TTS

dB

-

45

40

-

Attenuation:( Reference level from minimum insertion loss)

dB

1) any 3.5MHz interval within Fc±7MHz

dB

-

0.5

1

-

2) 150 MHz ~ 210 MHz

dB

40

48

-

-

3) 210 MHz ~ 218 MHz

dB

40

47

-

-

4) 218 MHz ~ 224 MHz

dB

38

42

-

5) 218 MHz

dB

40

49

-

-

6) 256 MHz ~ 258 MHz

dB

35

39

-

7) 258 MHz ~ 262 MHz

dB

35

39

-

8) 262 MHz ~ 330 MHz

dB

35

40

-

Note 1 : measurement with smoothing; smoothing aperture <= 50kHz

C. MEASUREMENT CIRCUIT: