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MAX2870

23.5MHz to 6000MHz Fractional/

Integer-N Synthesizer/VCO

Typical Operating Characteristics Testing Conditions Table

TOC TITLE

(MHz)

(MHz)

REGISTER

SETTINGS

(hex)

TOC

TITLE

MAX2870 EV KIT COMPONENT VALUES

COMMENTS

C13

(F)

R1 + R2

(I)

C14

(F)

R0

(I)

C12

(F)

2679.4MHz

FRACTIONAL-N

PHASE NOISE vs.

FREQUENCY

(LOW-NOISE MODE)

50

25

00358160,

203207D1,

01005E42,

B20000A3,

6010003C,

00400005

40k

0.1F

120

0.012F

250

820p

2679.4MHz

FRACTIONAL-N

PHASE NOISE vs.

FREQUENCY

(LOW-SPUR MODE)

25

00358160,

203207D1,

41005E42,

B20000A3,

6010003C,

00400005

40k

0.1F

120

0.012F

250

820p

SUPPLY CURRENT

vs. OUTPUT POWER

SETTING

(ONE CHANNEL

ACTIVE, 3GHz)

50

25

003C0000,

20000321,

01005E42,

00000013,

610F423C,

01400005,

APWR swept

from 00 to 11

SUPPLY CURRENT

vs. FREQUENCY

(ONE CHANNEL

ACTIVE, MAXIMUM

OUTPUT POWER)

50

25

003C0000,

20000321,

01005E42,

00000013,

610F423C,

01400005

N and F values

changed for

each frequency

SUPPLY CURRENT

vs. OUTPUT POWER

SETTING (TWO

CHANNELS ACTIVE)

50

25

003C0000,

20000321,

01005E42,

00000013,

610F43FC,

01400005

APWR and

BPWR swept

from 00 to 11

SUPPLY CURRENT

vs. FREQUENCY

(TWO CHANNELS

ACTIVE MAXIMUM

OUTPUT POWER)

50

25

003C0000,

20000321,

01005E42,

00000013,

610F43FC,

01400005

N and F values

swept for each

frequency

PLL LOCK vs. TIME

40

40

00250120,

20320141,

00004042,

000000A3,

0184023C,

01400005

40k

0.1F

120

0.012F

250

820p

CDM changed

from 00 to 01