2

WL600C

Fig. 2 WL600C block diagram

Pin

Ref

Type

Description

1

QUAD+

I/O

Quadrature demodulator tank circuit connection

2

QUAD -

I/O

Quadrature demodulator tank circuit connection

3

GND_IF

GND

Ground for IF strip circuitry

4

DEMOD_OUT +

OUT

Demodulator output

5

DEMOD_OUT -

OUT

Demodulator output

6

RSSI

OUT

RSSI detector analogue output

7

CLAMP_SET

IN

Sets clamp knee voltage

8

CCA_THRESHOLD

IN

Sets level at which CCA comparator will switch

9

VCC_IFSTRIP

VCC

Power supply for log amp, demod, and internal references

10

DECOUPLE_LOG -

I/O

Decoupling for log amp feedback network, AC couple

11

DECOUPLE_LOG +

I/O

Decoupling for log amp feedback network, AC couple

12

IF_IN +

IN

Log amp input, AC couple

13

IF_IN -

IN

Log amp input, AC couple

14

CCAB

OUT

CCA comparator output: signal = logic high, clear = logic low

15

GND_IF

GND

Ground for IF strip circuitry

16

BUFFER_IN +

IN

x 2 buffer input

17

BUFFER_IN -

IN

x 2 buffer input

18

VCC_DATA

VCC

Power supply for clamp, data comparator and buffer amp

19

RXD

OUT

Data comparator output

ACTIVE

CLAMP

CIRCUIT

IMAGE

REJECT

MIXER

PHASE

SHIFT

PHASE

SHIFT

29

LNA

IMAGE

REJECT

MIXER

32

PA DRIVE

BUFFER

LO

BUFFER

35

40

12

13

6

8

PHASE

SHIFT

22

23 46

47

7

42

43

DATA

SLICE

19

20

16

44

45

X2

BUFFER

AMP

17

10

11

1

2

4

5

14

COMPARATOR

DETECTORS

IF STRIP

DEVICE PIN OUT