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Typical operating characteristics (continued) – Rainbow Electronics MAX9995 User Manual

Page 5

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MAX9995

Dual, SiGe, High-Linearity, 1700MHz to 2200MHz

Downconversion Mixer with LO Buffer/Switch

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5

72

74

76

78

80

82

84

86

88

90

70

3RF - 3LO vs. FUNDAMENTAL FREQUENCY

MAX9995 toc10

3RF - 3LO (dBc)

FREQUENCY (MHz)

2100

2000

1900

1800

1700

2200

T

C

= -20

°C

T

C

= +25

°C

T

C

= +85

°C

P

RF

= -5dBm

74

76

78

80

84

82

86

88

72

3RF - 3LO vs. FUNDAMENTAL FREQUENCY

MAX9995 toc11

3RF - 3LO (dBc)

FREQUENCY (MHz)

2100

2000

1900

1800

1700

2200

P

LO

= -3dBm

P

LO

= 0dBm

P

LO

= +3dBm

P

RF

= -5dBm

74

76

78

80

84

82

86

88

72

3RF - 3LO vs. FUNDAMENTAL FREQUENCY

MAX9995 toc12

3RF - 3LO (dBc)

FREQUENCY (MHz)

2100

2000

1900

1800

1700

2200

V

CC

= 5.0V

V

CC

= 5.25V

V

CC

= 4.75V

P

RF

= -5dBm

INPUT P

1dB

vs. RF FREQUENCY

P

1dB

(dBm)

12.8

13.2

13.6

14.0

14.4

12.4

MAX9995 toc13

FREQUENCY (MHz)

2100

2000

1900

1800

1700

2200

T

C

= +25

°C

T

C

= +85

°C

T

C

= -20

°C

LO SWITCH ISOLATION vs. LO FREQUENCY

MAX9995 toc16

FREQUENCY (MHz)

ISOLATION (dB)

1900

1800

1700

1600

1500

46

47

48

49

50

51

52

53

54

55

45

1400

2000

T

C

= -20

°C

T

C

= +25

°C

T

C

= +85

°C

13.0

13.1

13.2

13.3

13.4

13.5

13.6

13.7

13.8

12.9

INPUT P

1dB

vs. RF FREQUENCY

P

1dB

(dBm)

MAX9995 toc14

FREQUENCY (MHz)

2100

2000

1900

1800

1700

2200

P

LO

= 0dBm

P

LO

= -3dBm

P

LO

= +3dBm

12.6

12.8

13.0

13.2

13.4

13.6

13.8

14.0

14.2

14.4

12.4

INPUT P

1dB

vs. RF FREQUENCY

P

1dB

(dBm)

MAX9995 toc15

FREQUENCY (MHz)

2100

2000

1900

1800

1700

2200

V

CC

= 5.25V

V

CC

= 4.75V

V

CC

= 5.0V

48

49

50

51

52

53

54

47

LO SWITCH ISOLATION vs. LO FREQUENCY

MAX9995 toc17

FREQUENCY (MHz)

ISOLATION (dB)

1900

1800

1700

1600

1500

1400

2000

P

LO

= -3dBm

P

LO

= 0dBm

P

LO

= +3dBm

48

49

50

51

52

53

54

47

LO SWITCH ISOLATION vs. LO FREQUENCY

MAX9995 toc18

FREQUENCY (MHz)

ISOLATION (dB)

1900

1800

1700

1600

1500

1400

2000

V

CC

= 4.75V TO 5.25V

Typical Operating Characteristics (continued)

(Typical Application Circuit, V

CC

= 5.0V, P

RF

= -5dBm, P

LO

= 0dBm, LO is low-side injected for a 200MHz IF, T

C

= +25°C.)