LT5521 datasheet(7/16 Pages) LINER

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LT5521

5521f

TYPICAL AC PERFOR A CE CHARACTERISTICS f

LO = 1001MHz, fIF = 44MHz, fRF = 1045MHz,

PLO = –5dBm, VCC = 5V, EN = 2.9V, TA = 25°C, unless otherwise noted. Test circuit shown in Figure 1 is tuned for 1.045GHz output

frequency.

Noise Figure vs LO Power

Low Side LO (LS) and High Side

LO (HS) Comparison: Noise Figure

vs RF Frequency

LO POWER (dBm)

–20

5521 G23

–15

–10

°C

–40

°C

–5

RFOUT (MHz)

11.0

12.0

13.0

14.0

11.5

12.5

13.5

985

1025

1065

1105

5521 G24

1145

945

fIF = 44MHz

fLO = 1.7GHz, fIF = 250MHz, fRF = 1.95GHz, PLO = –5dBm, VCC = 3.3V, EN = 2.9V, TA = 25°C, unless otherwise noted. Test circuit

shown in Figure 1 is tuned for 1.95GHz output frequency and VCC = 3.3V.

POUT, IM3 and IM2 vs Input Power

Conversion Gain vs Input Power

Conversion Gain and IIP3

vs RF Frequency

PIN (dBm)

–14

–100

–60

–40

–20

–12

–4

5521 G25

–80

–6

–10 –8

–2

°C

–40

°C

POUT

IM2

IM3

PIN (dBm)

–20

–0.5

0.5

–5

°C

5521 G26

–1.0

–1.5

–15

–10

010

–2.0

–2.5

°C

–40

°C

RFOUT (MHz)

1750

2050

5521 G27

1850

1950

1800

2100

1900

2000

2150

–2

–4

IIP3

°C

–40

°C

RFOUT (MHz)

940

–2

–1

IIP3

990

1040

1090

1140

5521 G34

fIF = 44MHz

Low Side LO (LS) and High Side

LO (HS) Comparison: Conversion

Gain and IIP3 vs RF Frequency

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