MAX2830 데이터 시트보기 (PDF) - Maxim Integrated

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MAX2830

2.4GHz to 2.5GHz 802.11g/b RF Transceiver, PA, and Rx/Tx/Antenna Diversity Switch

Maxim Integrated 

2.4GHz to 2.5GHz 802.11g/b RF Transceiver, PA,

and Rx/Tx/Antenna Diversity Switch

Typical Operating Characteristics (continued)

(MAX2830 EV kit, VCC_ = 2.8V, VCCPA = VCCTXPA = 3.3V, TA = +25°C, fLO = 2.437GHz, fREF = 40MHz, SHDN = CS = high, RXHP =

SCLK = DIN = low.)

Rx BB VGA SETTLING RESPONSE

(+8 GAIN STEP)

MAX2830 toc18

Rx BB VGA SETTLING RESPONSE

(-8 GAIN STEP)

MAX2830 toc19

Rx BB VGA SETTLING RESPONSE

(-16 GAIN STEP)

MAX2830 toc20

3V

3V

3V

0V

500mV

0V

-500mV

0V

500mV

0V

-500mV

0V

500mV

0V

-500mV

40ns/div

40ns/div

40ns/div

Rx BB VGA SETTLING RESPONSE

(-32 GAIN STEP)

MAX2830 toc21

3V

RF LNA SETTLING RESPONSE

(HIGH TO MEDIUM)

MAX2830 toc22

3V

RF LNA SETTLING RESPONSE

(HIGH TO LOW)

MAX2830 toc23

3V

0V

500mV

0V

-500mV

40ns/div

0V

500mV

0V

-500mV

100ns/div

0V

500mV

0V

-500mV

100ns/div

Rx BB FREQUENCY RESPONSE

vs. FINE SETTING (COARSE SETTING = 8.5MHz)

20

0

-20

-40

-60

-80

-100

1

10

100

FREQUENCY (MHz)

Rx BB FREQUENCY RESPONSE

vs. COARSE SETTING (FINE SETTING = 010)

20

0

-20

-40

-60

-80

-100

-120

1

10

100

FREQUENCY (MHz)

Rx BASEBAND FILTER

GROUP DELAY

MAX2830 toc26

1

12

FREQUENCY (MHz)

______________________________________________________________________________________ 13

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