LT5525 데이터 시트보기 (PDF) - Linear Technology

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LT5525

High Linearity, Low Power Downconverting Mixer

Linear Technology 

LT5525

TYPICAL AC PERFOR A CE CHARACTERISTICS VCC = 5V, EN = 3V, TA = 25°C, fRF = 1900MHz,

PRF = –15dBm (–15dBm/tone for 2-tone IIP3 tests, ∆f = 1MHz), fLO = fRF – 140MHz, PLO = –5dBm, IF output measured at 140MHz,

unless otherwise noted. Test circuit shown in Figure 1.

IFOUT, 2 × 2 and 3 × 3 Spurs

vs RF Input Power

10

0

IF OUT

–10

fRF = 1900MHz

–20

–30

3RF-3LO

–40

fRF = 1806.67MHz

–50

–60

2RF-2LO

–70 fRF = 1830MHz

–80

–90

–100

–20

TA = 25°C

fLO = 1760MHz

fIF = 140MHz

–15

–10

–5

0

RF INPUT POWER (dBm)

5525 G10

2 × 2 and 3 × 3 Spurs

vs LO Input Power

–30

TA = 25°C

–40

fLO = 1760MHz

fIF = 140MHz

–50

–60

2RF-2LO

–70

fRF = 1830MHz

–80

3RF-3LO

–90

fRF = 1806.67MHz

–100

–16

–12 –8

–4

0

4

LO INPUT POWER (dBm)

5525 G11

TYPICAL DC PERFOR A CE CHARACTERISTICS Test circuit shown in Figure 1.

Supply Current vs Supply Voltage

32

30

28

26

24

22

20

18

25°C

16

85°C

–40°C

14

2.8 3.2 3.6 4 4.4 4.8 5.2 5.6

SUPPLY VOLTAGE (V)

5525 G12

Shutdown Current vs Supply Voltage

20

25°C

85°C

–40°C

15

10

5

0

2.8 3.2

3.6 4 4.4 4.8

SUPPLY VOLTAGE (V)

5.2 5.6

5525 G13

5525f

5

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