NJM2552V Ver la hoja de datos (PDF) - Japan Radio Corporation

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NJM2552V

100MHz INPUT MIXER AND 450kHz FM/AM IF DEMODULATOR IC

Japan Radio Corporation  

[RF AGC Characteristics]

RF AGC Output versus IF Input

and Supply Voltage

2.4 circuit 4

2.2

V+=9.0V

2

1.8

2.7V

1.6

1.4

2.2V

1.2

1

0.8

0.6

0.4

0.2

0

0 20 40 60 80 100 120

IF Input Level VinIF(dBuV)

RF AGC Output versus Mixer Input

and Supply Voltage

2.4 circuit 2 , VinLO=100dBuV

2.2

2

1.8

1.6

1.4

1.2

1

0.8

0.6

0.4

0.2

0

V+=9.0V

2.7V

2.2V

-20 0 20 40 60 80 100 120

Mixer Input Level VinMIX(dBuV)

RF AGC Output versus Temperature

and IF Input Level

2 circuit 4

1.8

VinMIX=120dBuV

1.6

90dBuV

1.4

85dBuV

1.2

80dBuV

1

0.8

0.6

75dBuV

0.4

70dBuV

0.2

- 20dBuV

0

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta(°C)

Ver.2007-10-24

NJM2552

RF AGC Output versus IF Input

and Ambient Temperature

2.4 circuit 4

2.2

2

Ta=85°C, 25°C, - 40°C

1.8

1.6

1.4

1.2

1

0.8

0.6

0.4

0.2

0

-20 0 20 40 60 80 100 120

IF Input Level VinIF(dBuV)

RF AGC Output versus Mixer Input

and Ambient Temperature

2.4 circuit 2 , VinLO=100dBuV

2.2

2

Ta=85°C, 25°C, - 40°C

1.8

1.6

1.4

1.2

1

0.8

0.6

0.4

0.2

0

-20 0 20 40 60 80 100 120

Mixer Input Level VinMIX(dBuV)

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