3

WL600C

Pin

Ref

Type

Description

20

RXDB

OUT

Data comparator output

21

GND_RF

GND

Ground for LNA, mixer, IF summation, and PA driver circuits

22

IF_OUT-

OUT

Downconverter output, requires external load and RFC

23

IF_OUT+

OUT

Downconverter output, requires external load and RFC

24

GND_PADDLE

GND

Ground for substrate and package paddle

25

VCC_RF

VCC

Power supply for mixer, summation, and PA ramp circuits

26

GND_RF

GND

Ground for LNA, mixer, IF summation, and PA driver circuits

27

VCC_LNA

VCC

Power supply for LNA

28

GND_RF

GND

Ground for LNA, mixer, IF summation, and PA driver circuits

29

RF_IN

IN

LNA input, AC couple

30

LNA_DEGEN

I/O

LNA degeneration, connect to ground

31

LNA_DEGEN

I/O

LNA degeneration, connect to ground

32

DRIVE

OUT

Power amplifier driver output, requires external load and RFC

33

VCC_PA

VCC

Power supply for power amplifier driver

34

GND_RF

GND

Ground for LNA, mixer, IF summation, and PA driver circuits

35

RAMP_CAP

I/O

PA ramp circuit timing capacitor connection

36

PA_ON

IN

PA ramp circuit control input:

PA on = logic high, PA off = logic low

37

STDBYB

IN

Power down control input:

active= logic high, standby = logic low

38

TX/RXB

IN

Transmit/Receive control input:

transmit = logic high, receive = logic low

39

GND_LO

GND

Ground for LO buffer, phaseshifter, and standby circuitry

40

LO_IN

IN

Local oscillator input, AC couple

41

VCC_LO

VCC

Power supply for LO buffer, phaseshifter, and standby circuitry

42

DATA_IN+

IN

Data comparator input

43

DATA_IN-

IN

Data comparator input

44

BUFFER_OUT-

OUT

x2 buffer output

45

BUFFER_OUT+

OUT

x2 buffer output

46

CLAMP -

I/O

Data clamp, knee voltage set by pin 7, AC couple

47

CLAMP +

I/O

Data clamp, knee voltage set by pin 7, AC couple

48

GND_PADDLE

GND

Ground for substrate and package paddle