LTC5585_15 datasheet(13/38 Pages) LINER

13 / 38 page

LTC5585

5585fb

For more information www.linear.com/LTC5585

TYPICAL PERFORMANCE CHARACTERISTICS 2150MHz application. V

CC = 5V, EN = 5V,

EDC = 0V, EIP2 = 0V, REF = 0.5V, TC = 25°C, PLO = 6dBm, fLO = 2140MHz, fRF1 = 2150MHz, fRF2 = 2151MHz, fBB = 10MHz,

PRF1 = PRF2 = –5dBm, DC Blocks and Mini-Circuits PSCJ-2-1 180° combiner at baseband outputs de-embedded from measurement

unless otherwise noted. Test circuit with RF and LO ports impedance matched as in Figure 1.

DC Offset vs DCOI, DCOQ Control

Voltage

DC Offset vs LO Power

LO to RF Leakage and RF to LO

Isolation

Image Rejection vs Temperature

(Note 10)

Noise Figure vs RF Input Power

Noise Figure and Conversion

Gain vs Temperature (TC)

Noise Figure and Conversion

Gain vs LO Power

RF INPUT POWER (dBm)

–20

–5

5585 G55

–15

–10

PLO = 0dBm

PLO = 6dBm

PLO = 10dBm

TC = 25°C

fLO = 2140MHz

fRF = 2141MHz

fNOISE = 60MHz

LO FREQUENCY (MHz)

1750 1850 1950 2050 2150 2250 2350 2450 2550

–4

–2

5585 G56

I, –40°C

I, 25°C

I, 85°C

I, 105°C

Q, –40°C

Q, 25°C

Q, 85°C

Q, 105°C

GAIN

LO FREQUENCY (MHz)

1750 1850

–4

1950 2050 2150 2250 2350 2450 2550

–2

5585 G57

I, 0dBm

I, 6dBm

I, 10dBm

Q, 0dBm

Q, 6dBm

Q, 10dBm

TC = 25°C

GAIN

DCOI, DCOQ (V)

–25

–20

–10

–5

0.2

0.4

5585 G58

–15

0.6

1.0

0.8

0.1

0.3

0.5

0.7

0.9

I, –40°C

I, 25°C

I, 85°C

I, 105°C

Q, –40°C

Q, 25°C

Q, 85°C

Q, 105°C

fLO = 2150MHz

LO FREQUENCY (MHz)

1750

–5

–3

1950

2150 2250

5585 G59

–1

1850

2050

2350 2450 2550

I, 0dBm

I, 6dBm

I, 10dBm

Q, 0dBm

Q, 6dBm

Q, 10dBm

TC = 25°C

LO FREQUENCY (MHz)

1750

–90

–80

–70

–60

–20

–40

1850 1950

2250 2350 2450

–30

–50

–85

–75

–65

–25

–45

–35

–55

2050 2150

2550

5585 G60

L-R, –40°C

L-R, 25°C

L-R, 85°C

L-R, 105°C

R-L, –40°C

R-L, 25°C

R-L, 85°C

R-L, 105°C

LO FREQUENCY (MHz)

1750

2550

5585 G61

1950

2150

2350

1850

2050

2250

2450

100

TC = –40°C

TC = 25°C

TC = 85°C

TC = 105°C

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