Datasheet

MAX2870
23.5MHz to 6000MHz Fractional/
Integer-N Synthesizer/VCO
9Maxim Integrated
Typical Operating Characteristics Testing Conditions Table
TOC TITLE
fREF
(MHz)
fPFD
(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)
50 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