PBL40215 Просмотр технического описания (PDF) - Ericsson

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PBL40215

RF Transceiver circuit for the Digital Enhanced Cordless Telecommunications (DECT) system

Ericsson  

PBL 402 15

Pin Descriptions (cont.):

Pin number

Name

24

GndRSSI

Function

Ground connection to the RSSI.

Schematic in/output of the pin

A diode to GndFM and GndIF

VCCRF

25

PA Gate

Output control signal for external PA power on/off. PA - Gate

26

IFIN-

27

IFIN+

28

GndIF

29

VCCIF

30

LD

31

32

33, 36

37, 40

34

35

IFOUT-

IFOUT+

GndRF

RX-

RX+

38

TX-

39

TX+

41

VCCRF

Rx IF inputs to internal channel filtering, limiting

amplifiers,RSSI and FM discriminator. Internally

matched to 300 Ω.

Ground connection to the down IF convertor and

channel filter sections.

Voltage supply to the down IF convertor and

channel filter sections.

Lock detect.

GndRF

VCCIF

IFIN-/IFIN+

both inputs alike

GndIF

A diode to GndFM and GndIF

Clamp to GndIF

VCCRF

LD

Rx IF outputs to external adjacent channel filter.

Internally matched to 300Ω.

GndRF

VCCRF

IFOUT-/IFOUT+

both outputs alike

Ground connection to the RF sections.

RF inputs to LNA and image reject mixer.

Internally matched to 100Ω.

Tx outputs to external PA. Internally matched to

100 Ω. Each output requires an externalchoke

to VCC.

Voltage supply to the RF sections.

GndRF

A diode to GndIF and GndPLL

VCCRF

RX-/RX+

both inputs alike

GndRF

VCCRF

TX-/TX+

Both inputs alike

GndRF

Clamp to GndRF

VCCPLL

42

GATE

Input to gate the Tx output power.

43

D

Serial interface, Data .

GATE

GndPLL

VCCPLL

D

GndPLL

Bias

Bias

5

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