TMX W331

SAW Bandpass Filters | Wireless Communications

Issue: Rev 7, 10 January 2023

Specifications are subject to change without notice

Copyright © 2020 to 2023 Rakon Limited. All rights reserved

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Features

Maximum ratings

Parameter

Min.

Typ.

Max.

Unit

Storage temperature range (T

stg)

-40

85

°C

Operating temperature range (T

A)

-40

85

°C

DC permissive voltage

10

V

Maximum pulse input power

27

dBm

Maximum Input Power Handling

(at 50°C during 50 000 hours)

20

dBm

Frequency and electrical characteristics (Reference temperature @ 25°C)

Parameter

Min.

Typ.1

Max.

Unit

Center frequency (fc)

869

MHz

Bandwidth (BW, passband width)

2.00

MHz

Insertion Loss (IL, 868 – 870 MHz)

2.5

3.4

dB

Amplitude ripple (868 – 870 MHz)

0.3

1.5

dB

Absolute Attenuation

From DC to 300.0 MHz

From 300.0 to 856.5 MHz

From 856.5 to 859.5 MHz

From 878 to 883.5 MHz

From 883.5 to 1500 MHz

From 1500 to 2600 MHz

45

40

15

15

48

40

50

45

20

20

55

45

dB

dB

dB

dB

dB

dB

Temperature coefficient of frequency

-31.0

ppm/K

Source impedance2 (Single ended)

50

Ω

Load impedance2 (Single ended)

50

Ω

1

Typical values are nominal performances at room temperature

2 No external matching is required

Features

Applications

3.0 x 3.0 x 1.25 mm



869.0 MHz center frequency



Ceramic package for Surface Mounted Technology



Frequency Low Loss (typically 2.5dB) within

PassBand Width 868.0 to 870.0 MHz



Maximum pulse power: 27dBm



Good rejections specially near the GSM carrier at

912 MHz (-60 dB)



Remote control - RF



Wireless applications



Already used with main RF

chipsets as Analog Devices,

Infineon, Melexis, Semtech

and Texas Instruments.