MAX2620E 查看數據表（PDF） - Maxim Integrated

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MAX2620E

10MHz to 1050MHz Integrated RF Oscillator with Buffered Outputs

Maxim Integrated 

10MHz to 1050MHz Integrated

RF Oscillator with Buffered Outputs

_____________________________Typical Operating Characteristics (continued)

(Typical Operating Circuit, VCC = +3.0V, VTUNE = 1.5V, SHDN = VCC, load at OUT = 50Ω, load at OUT = 50Ω, L1 = coaxial ceramic

resonator: Trans-Tech SR8800LPQ1357BY, C6 = 1pF, TA = +25°C, unless otherwise noted.)

REVERSE ISOLATION vs. FREQUENCY

0 VCC = 2.7V TO 5.25V

C3, C4 REMOVED

-10

-20

-30

-40

-50

-60

-70

-80

-90

50

250 450 650 850 1050

FREQUENCY (MHz)

900MHz BAND CIRCUIT*

TYPICAL 1/S11 vs. FREQUENCY

MEASURED AT TEST PORT

MAX2620-04

1050MHz

21 + j78

900MHz

36 + j90

650MHz

800MHz 84 + j142

49 + j105

*SEE FIGURE 1

10MHz BAND CIRCUIT

TYPICAL 1/S11 vs. FREQUENCY

MEASURED AT TEST PORT

MAX2620-05

15MHz

28 + j79.8

10MHz

63.6 + j121.5

5MHz

262 + j261

C3 = C4 = 270pF

L3 = 10µH

C2 = C10 = C13 = 0.01µF

SUPPLY CURRENT

vs. TEMPERATURE

10.0

9.5

VCC = 5.25V

9.0

8.5

VCC = 2.7V

8.0

7.5

7.0

-40 -20

0 20 40 60 80 100

TEMPERATURE (°C)

_______________________________________________________________________________________ 5

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