Datasheet > MAX2308

MAX2308

更新时间： 2023-12-20 18:44:05

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	192K
描述
CDMA IF VGA及I/Q解调器，带有VCO及合成器

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数据手册

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MAX2308 数据手册

CDMA IF VGAs a n d I/Q De m o d u la t o rs

w it h VCO a n d S yn t h e s ize r

Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s

(MAX2306/MAX2308/MAX2309 EV kits, V

= +2.75V, registers set to default power-up states, f = 183.7MHz, f

= 19.2MHz,

REF

synthesizer locked with passive 3rd-order lead-lag loop filter, SHDN = high, VGC set for +35dB voltage gain, differential output load

= 10kΩ, all power levels referred to 50Ω, T = +25°C, unless otherwise noted.)

RECEIVE SHUTDOWN CURRENT vs.

SUPPLY VOLTAGE

RECEIVE SUPPLY CURRENT

vs. SUPPLY VOLTAGE

GAIN vs. V

0.014

0.012

0.010

0.008

0.006

0.004

0.002

35.00

32.50

30.00

27.50

25.00

22.50

20.00

T = +85°C

T = +25°C

T = -40°C

-20

-40

-60

-80

T = -40°C

T = +85°C

T = -40°C

2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.5

1.0

1.5

2.0

(V)

2.5

3.0

SUPPLY VOLTAGE (V)

THIRD-ORDER INPUT

INTERCEPT vs. GAIN

GAIN vs. INPUT FREQUENCY

GAIN vs. BASEBAND FREQUENCY

60.0

59.5

59.0

58.5

58.0

57.5

57.0

56.5

56.0

T = -40°C

= 2.5V

-10

-20

-30

-40

-50

-60

T = +85°C

T = +25°C

100

200

300

400

500

10 12 14 16 18 20

-60 -40 -20

FREQUENCY (MHz)

GAIN (dB)

VCO VOLTAGE vs. TIME

NOISE FIGURE vs. GAIN

NOISE FIGURE vs. TEMPERATURE

MAX2306/8/9 toc09

7.4

7.2

7.0

6.8

6.6

6.4

6.2

6.0

GAIN = 50dB

SHDN

VCO

VOLTAGE

1V/div

LOCK

LOCK TIME

1.83ms

500µs/div

-40 -30 -20 -10

10 20 30 40 50 60 70

GAIN (dB)

-40 -20

80 100

TEMPERATURE (°C)

_______________________________________________________________________________________

1 2 3 456 7 8...20

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