T2801-PLH データシートの表示（PDF） - Atmel Corporation

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T2801-PLH

DECT Single-Chip Transceiver

Atmel Corporation 

T2801

Functional Block Description

Name

AUX REG

BBF

CP

DAC

DEMOD

GF

IF AMP1

IF AMP2

IR MIXER

MCC

Description

Auxiliary voltage regulator

Baseband filter

Charge pump

D/A converter for demodulator tuning

Demodulator

Gaussian filter for transmit data

1st intermediate frequency amplifier

2nd intermediate frequency amplifier

Image rejection mixer

Modulation compensation circuit

Name

Description

PC

Programmable counter

PD

Phase detector

RAMP GEN Ramp-signal generator

RC

Reference counter

RSSI

Received signal-strength indicator

TX DRIVER Buffer amplifier for TX_OUT

TX/RX

SWITCH

Switches VCO signal to IR MIXER

resp. TX DRIVER

VCO

Voltage-controlled oscillator

VCO REG Voltage regulator for VCO

Pinning

CLOCK

DATA

ENABLE

REF_CLK

LD

PU_REG

VS_PLL

VREG

REG_CTRL

VS_REG

GND_CP

VS_CP

48 47 46 45 44 43 42 41 40 39 38 37

1

36

2

35

3

34

4

33

5

32

6

7

T2801

31

30

8

29

9

28

10

27

11

26

12

25

13 14 15 16 17 18 19 20 21 22 23 24

RAMP_OUT

IF_IN2

IF_IN1

VS_IF

TX_OUT

GND3

RF_IN2

RF_IN1

GND2

IF_TANK2

IF_TANK1

RSSI

Figure 2. Pinning

2 (27)

Rev. A9, 11-Dec-01

Preliminary Information

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