Datasheet

MAX2620
10MHz to 1050MHz Integrated
RF Oscillator with Buffered Outputs
_______________________________________________________________________________________ 5
900MHz BAND CIRCUIT*
TYPICAL 1/S11 vs. FREQUENCY
MEASURED AT TEST PORT
MAX2620-04
650MHz
84 + j142
800MHz
49 + j105
900MHz
36 + j90
1050MHz
21 + j78
*SEE FIGURE 1
10MHz BAND CIRCUIT
TYPICAL 1/S11 vs. FREQUENCY
MEASURED AT TEST PORT
MAX2620-05
5MHz
262 + j261
10MHz
63.6 + j121.5
15MHz
28 + j79.8
C3 = C4 = 270pF
L3 = 10µH
C2 = C10 = C13 = 0.01µF
10.0
7.0
-40
SUPPLY CURRENT
vs. TEMPERATURE
9.0
MAX2620-06
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
8.0
7.5
9.5
8.5
-20 0 20 40 60 80 100
V
CC
= 2.7V
V
CC
= 5.25V
-90
-80
-70
-60
-50
-30
-40
-20
-10
0
50 250 450 650 850 1050
REVERSE ISOLATION vs. FREQUENCY
MAX2620-03
FREQUENCY (MHz)
REVERSE ISOLATION (dB)
V
CC
= 2.7V TO 5.25V
C3, C4 REMOVED
_____________________________Typical Operating Characteristics (continued)
(Typical Operating Circuit, V
CC
= +3.0V, V
TUNE
= 1.5V, SHDN = V
CC,
load at OUT = 50Ω, load at OUT = 50Ω, L1 = coaxial ceramic
resonator: Trans-Tech SR8800LPQ1357BY, C6 = 1pF, T
A
= +25°C, unless otherwise noted.)