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

SHOLD

0

1

"hold" SLICE level b).

MOD

GATE

0

1

MOD_SW

0

1

MOD_P

MOD_EN

0

1

GATE_P

Tristate CP

PA-timing a).

control

RF enable

Charge pump control

12 bit B-word latch

PA_GATE

CK

Data

ST

165k

EN

RXEN

165k

TXEN

Figure 9. Control logic.

24 bit shift register

23 bit A-word latch

CE

CL

SYN_EN 0

1

IF_EN 0

1

RX_EN 0

1

TX_EN 0

1

Nc

Synth.

TXVCO power on

RXVCO power on

Digital interface power on

Synth. power on

IF trim.

RX gain

TX power

DRX control

IF power on

RX power on

TX power on

a). See figure PA_GATE timing diagram.

b). See figure SLICE control.

13

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