GP2015

21

Fig. 26 Duty-cycle of SIGN digital output (pin 15), sampled at 5.71MHz in a typical application circuit

- RF I/P signal = 1575.42MHz CW, -85dBm - equivalent to

26dB excess noise from a typical GPS antenna

CASE TEMP(

°C)

50

50.05

50.1

50.15

50.2

50.25

50.3

50.35

50.4

50.45

50.5

-60

-40

-20

0

20

40

60

80

100

120

Vcc = +2.65V

Vcc = +3.8V

Vcc = +5.55V

Fig. 27 Amplitude of IFOUT (pin 1) at 4.3MHz (

±1.0MHz) in a typical application circuit

- RF I/P signal = 1575.42MHz CW, -85dBm - equivalent to

26dB excess noise from a typical GPS antenna

CASE TEMP(

°C)

70

72

74

76

78

80

82

84

86

88

90

-60

-40

-20

0

20

40

60

80

100

120

Vcc = +2.65V

Vcc = +3.8V

Vcc = +5.55V