LT5504 Просмотр технического описания (PDF) - Linear Technology

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производитель

LT5504

800MHz to 2.7GHz RF Measuring Receiver

Linear Technology 

LT5504

TYPICAL PERFOR A CE CHARACTERISTICS (VCC = 3V unless otherwise noted).

Output Slope Variation vs

RF Input Power and Frequency

6 fIF = 240MHz

AVERAGE SLOPE: 23mV/dB

4

Output Voltage and Slope Variation

vs RF Input Power and Temperature,

fRF = 900MHz

2.4

6

fIF = 240MHz

AVERAGE SLOPE: 23mV/dB

2.0

4

Output Voltage and Slope Variation

vs RF Input Power and Temperature,

fRF = 2.5GHz

2.4

6

fIF = 240MHz

AVERAGE SLOPE: 23mV/dB

2.0

4

2

fRF = 900MHz

0

fRF = 1.9GHz

–2

50% VARIATION OR

SLOPE = 11.5mV/dB

–4

fRF = 2.5GHz

–6

–80 –70 –60 –50 –40 –30 –20 –10

PIN (dBm)

0 10

5504 G04

1.6

2

TA = 25°C

1.2

0

TA = 85°C

0.8

–2

TA = 25°C

0.4

TA = –40°C

–4

TA = –40°C

0

–2

–80 –70 –60 –50 –40 –30 –20 –10 0 10

PIN (dBm)

5504 G05

1.6

2

TA = 25°C

1.2

0

TA = 85°C

0.8

–2

TA = 25°C

0.4

–4

TA = –40°C

TA = –40°C

0

–6

–80 –70 –60 –50 –40 –30 –20 –10 0 10

PIN (dBm)

5504 G06

Output Voltage and Slope Variation

vs RF Input Power and Temperature,

fIF = 240MHz

2.4

6

fRF = 1.9GHz

AVERAGE SLOPE: 23mV/dB

2.0

4

1.6

2

TA = 25°C TA = –40°C

1.2

0

TA = 85°C

0.8

–2

TA = –40°C

0.4

–4

TA = 25°C

0

–6

–80 –70 –60 –50 –40 –30 –20 –10 0 10

PIN (dBm)

5504 G07

Output Voltage and Slope Variation

vs RF Input Power and Temperature,

fIF = 70MHz

2.4

6

fRF = 1.9GHz

AVERAGE SLOPE: 23mV/dB

2.0

4

1.6

2

TA = 25°C TA = –40°C

1.2

0

TA = 85°C

0.8

–2

TA = 25°C

0.4

–4

TA = –40°C

0

–6

–80 –70 –60 –50 –40 –30 –20 –10 0 10

PIN (dBm)

5504 G10

4

Output Voltage and Slope Variation

vs RF Input Power and IF Frequency

2.4

6

fRF = 1.9GHz

AVERAGE SLOPE: 23mV/dB

2.0

fIF = 70MHz

4

1.6

2

240MHz

1.2 70MHz

0

400MHz

0.8

fIF = 240MHz

–2

0.4

fIF = 400MHz

0

–80 –70 –60 –50 –40 –30 –20 –10

PIN (dBm)

–4

–6

0 10

5504 G08

Output Voltage and Slope Variation

vs RF Input Power and Temperature,

fIF = 400MHz

2.4

6

fRF = 1.9GHz

AVERAGE SLOPE: 23mV/dB

2.0

4

1.6

2

TA = 25°C TA = –40°C

1.2

0

TA = 85°C

0.8

–2

TA = 25°C

0.4

–4

TA = –40°C

0

–6

–80 –70 –60 –50 –40 –30 –20 –10 0 10

PIN (dBm)

5504 G11

Output Voltage and Slope Variation

vs RF Input Power and Supply Voltage

2.4

fRF = 1.9GHz

fIF = 240MHz

2.0

6

4

VCC = 5.25V

1.6

2

VCC = 5.25V

1.2

0

VCC = 2.7V

0.8

–2

0.4

VCC = 2.7V

–4

0

–6

–80 –70 –60 –50 –40 –30 –20 –10 0 10

PIN (dBm)

5504 G09

Output Response Time

VOUT

1V/DIV

PULSED

RF

900MHz

0dBm

1V/DIV

100ns/DIV

5504 G12

5504f

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