HFA3624 데이터 시트보기 (PDF) - Intersil

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HFA3624

2.4GHz Up/Down Converter

Intersil 

Typical Application Circuits (Continued)

HFA3624

C14

RF INPUT

2450MHz

50Ω

RF OUTPUT

2450MHz

50Ω

C15

-3dB/50Ω BPF

2450MHz

LFJ30-03B2442B084

muRata

VCC = 2.7V

C12

C13

C41

C40

C11

RXA_VCC2

1

GND

2

RXA_OUT

3

GND

4

RXA_VCC1 5

GND

6

RXA_IN

7

TXA_OUT

8

GND

9

TXA_VCC2

10

GND

11

TXA_IN

12

GND

13

TXA_VCC1 14

C10

C32

RX BIAS

RXM

RXA

HFA3624

LOB

TXA

TXM

TX BIAS

-3dB/50Ω BPF

2450MHz

LFJ30-03B2442B084

muRata

RECEIVE

ENABLE

RX_PE

28

27 RX_VCC

RXM_RF

26

GND

25

C25

RXM_IF+

22

24

RXM_IF-

23

LO_BY C27

22

LO_IN

21

TXM_IF-

C28

20

TXM_IF+

19

GND

18

TXM_RF

C23

17

16 TX_VCC

TX_PE

15

C19

C21

L46

C26

C37

C51

R50

IF OUTPUT

280MHz

250Ω

LO INPUT

C48

2170MHz

50Ω

IF INPUT

R35 280MHz, 250Ω

250Ω

TRANSMIT

ENABLE

FIGURE 3. SINGLE ENDED IF OUTPUT WITH 250Ω IF IMPEDANCE

2-34

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