LTC5598 datasheet(6/16 Pages) LINER

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LTC5598

5598f

LO Feedthrough to RF Output

vs LO Frequency (PLO = 10dBm)

Image Rejection vs LO Frequency

(PLO = 10dBm)

RF Two-Tone Power (Each Tone),

IM2 and IM3 vs RF Frequency

(PLO = 10dBm)

Output IP3 vs RF Frequency

(PLO = 10dBm)

Output IP2 vs RF Frequency

(PLO = 10dBm)

Output 1dB Compression

vs RF Frequency (PLO = 10dBm)

TYPICAL PERFORMANCE CHARACTERISTICS V

CC = 5V, EN = 5V, TA = 25ºC, fRF = fLO – fBB, PLO =

0dBm single-ended, BBPI, BBMI, BBPQ, BBMQ common-mode DC voltage VCMBB = 0.5VDC, I&Q baseband input signal = 100kHz,

0.8VPP,DIFF, two-tone baseband input signal = 2MHz, 2.1MHz, 0.5VPP,DIFF each tone, I&Q 90° shifted (lower side-band selection);

fNOISE = fLO – 6MHz; unless otherwise noted. (Note 11)

Voltage Gain vs RF Frequency

(PLO = 10dBm)

RF Two-Tone Power (Each Tone),

IM2 and IM3 vs Baseband Voltage

and Temperature (fLO = 140MHz)

RF Two-Tone Power (Each Tone),

IM2 and IM3 vs Baseband Voltage

and Temperature (fLO = 900MHz)

fRF, EACH = fLO –fBB1

fIM3 = fLO – 2*fBB1 +fBB2

fIM3 = fLO + 2*fBB1 +fBB2

fIM2 = fLO – fBB1 –fBB2

I AND Q BASEBAND VOLTAGE (VPP, DIFF, EACH TONE)

0.1

–40

–30

–20

–10

–50

–30

–80

–70

–60

–50

–40

–90

5598 G10

I AND Q BASEBAND VOLTAGE (VPP, DIFF, EACH TONE)

0.1

–40

–30

–20

–10

–50

–30

–80

–70

–60

–50

–40

–90

5598 G11

fRF, EACH = fLO – fBB1

fIM3 = fLO + 2*fBB1 +fBB2

fIM3 = fLO – 2*fBB1 +fBB2

fIM2 = fLO – fBB1 –fBB2

RF FREQUENCY (MHz)

–1

–4

–3

–2

–5

5598 G12

1000

100

5V, 25°C

5.25V, 25°C

4.5V, 25°C

5V, –40°C

5V, 85°C

PLO = 10dBm

RF FREQUENCY (MHz)

5598 G13

1000

100

5V, 25°C

5.25V, 25°C

4.5V, 25°C

5V, –40°C

5V, 85°C

RF FREQUENCY (MHz)

5598 G14

1000

100

5V, 25°C

5.25V, 25°C

4.5V, 25°C

5V, –40°C

5V, 85°C

RF FREQUENCY (MHz)

5598 G15

1000

100

5V, 25°C

5.25V, 25°C

4.5V, 25°C

5V, –40°C

5V, 85°C

LO FREQUENCY (MHz)

–40

–50

–60

–70

5598 G16

1000

100

5V, 25°C

5.25V, 25°C

4.5V, 25°C

5V, –40°C

5V, 85°C

LO FREQUENCY (MHz)

–20

–30

–40

–50

–60

–70

5598 G17

1000

100

5V, 25°C

5.25V, 25°C

4.5V, 25°C

5V, –40°C

5V, 85°C

RF FREQUENCY (MHz)

–60

–40

–100

5598 G18

1000

100

fRF, EACH = fLO – fBB1

fIM3 = fLO – 2*fBB1 +fBB2

fIM3 = fLO + 2*fBB1 +fBB2

fIM2 = fLO – fBB1 –fBB2

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