LT5528 datasheet(6/16 Pages) LINER

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LT5528

5528f

Gain vs LO Power

RF Output Power, HD2 and HD3

at 2140MHz vs Baseband Voltage

and Temperature

LO Feed-Through and Image

Rejection at 2140MHz vs Baseband

Voltage and Temperature

Output IP3 vs LO Power

LO POWER (dBm)

–20

5528 G13

–8

–12

–16

–4

–6

–8

–10

–12

–14

–16

–18

–20

4.5V, 25°C

5V, –40°C

5V, 25°C

5V, 85°C

5.5V, 25°C

–20

–8

–12

–16

–4

LO POWER (dBm)

4.5V, 25°C

5V, –40°C

5V, 25°C

5V, 85°C

5.5V, 25°C

5528 G14

fBB, 1 = 2MHz

fBB, 2 = 2.1MHz

RF Output Power, HD2 and HD3

at 2140MHz vs Baseband Voltage

and Supply Voltage

123

I AND Q BASEBAND VOLTAGE (VP-P, DIFF)

–10

–20

–30

–40

–60

–50

–70

–10

–20

–30

–40

–50

–40°C

25°C

85°C

5528 G15

fBBI = 2MHz, 0°

fBBQ = 2MHz, 90°

HD2 = MAX POWER AT fLO + 2 • fBB OR fLO – 2 • fBB

HD3 = MAX POWER AT fLO + 3 • fBB OR fLO – 3 • fBB

HD2

HD3

123

I AND Q BASEBAND VOLTAGE (VP-P, DIFF)

–25

–30

–40

–45

–35

–50

–40°C

25°C

85°C

5528 G17

fBBI = 2MHz, 0°

fBBQ = 2MHz, 90°

LOFT

123

I AND Q BASEBAND VOLTAGE (VP-P, DIFF)

–10

–20

–30

–40

–60

–50

–70

–10

–20

–30

–40

–50

5528 G16

fBBI = 2MHz, 0°

fBBQ = 2MHz, 90°

HD2 = MAX POWER AT fLO + 2 • fBB OR fLO – 2 • fBB

HD3 = MAX POWER AT fLO + 3 • fBB OR fLO – 3 • fBB

HD2

HD3

4.5V

5.5V

VCC = 5V, EN = High, TA = 25°C, fLO = 2.14GHz, PLO

= 0dBm. BBPI, BBMI, BBPQ, BBMQ inputs 0.525VDC, Baseband Input Frequency fBB = 2MHz, I&Q 90° shifted. fRF = fBB + fLO (upper

sideband selection). PRF, OUT = –10dBm (–10dBm/tone for 2-tone measurements), unless otherwise noted. (Note 3)

TYPICAL PERFOR A CE CHARACTERISTICS

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