LT5521 데이터 시트보기 (PDF) - Linear Technology

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LT5521

Very High Linearity Active Mixer

Linear Technology 

LT5521

AC ELECTRICAL CHARACTERISTICS VCC = 5V, EN = 2.9V, fIF = 250MHz, PIF = –7dBm, fLO = 1700MHz,

PLO = –5dBm, fRF = 1950MHz, TA = 25°C. Test circuit shown in Figure 1.

PARAMETER

CONDITIONS

MIN

TYP

MAX UNITS

Conversion Gain

–0.5

dB

Conversion Gain Variation vs Temperature

–0.009

dB/°C

Input P1dB

+10

dBm

Single-Side Band Noise Figure

12.5

dB

IIP3

IIP2 (Note 6)

LO-RF Leakage

Two Tones, ∆fIF = 5MHz, PIF = –7dBm/Tone

+24.2

dBm

Two Tones, ∆fIF = 5MHz, PIF = –7dBm/Tone,

+49

dBm

fLO + fIF1 + fIF2

–42

dBm

LO-IF Leakage

–40

dBm

VCC = 5V, EN = 2.9V, fIF = 44MHz, PIF = –7dBm, fLO = 1001MHz, PLO = –5dBm, fRF = 1045MHz, TA = 25°C.

PARAMETER

CONDITIONS

MIN

Conversion Gain

Conversion Gain Variation vs Temperature

Input P1dB

Single-Side Band Noise Figure

IIP3

IIP2 (Note 6)

LO-RF Leakage

Two Tones, ∆fIF = 5MHz, PIF = –7dBm/Tone

Two Tones, ∆fIF = 5MHz, PIF = –7dBm/Tone,

fLO + fIF1 + fIF2

LO-IF Leakage

TYP

–0.5

–0.012

+10

12.8

+24.5

+49

–38

–59

MAX UNITS

dB

dB/°C

dBm

dB

dBm

dBm

dBm

dBm

VCC = 3.3V, EN = 2.9V, fIF = 250MHz, PIF = –7dBm, fLO = 1700MHz, PLO = –5dBm, fRF = 1950MHz, TA = 25°C. (Note 5)

PARAMETER

CONDITIONS

MIN

TYP

MAX

Conversion Gain

–0.5

Conversion Gain Variation vs Temperature

– 0.013

Input P1dB

+11

Single-Side Band Noise Figure

13.5

IIP3

IIP2 (Note 6)

LO-RF Leakage

Two Tones, ∆fIF = 5MHz, PIF = –7dBm/Tone

Two Tones, ∆fIF = 5MHz, PIF = –7dBm/Tone,

fLO + fIF1 + fIF2

+25.8

+50

–36

LO-IF Leakage

–60

UNITS

dB

dB/°C

dBm

dB

dBm

dBm

dBm

dBm

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: Specifications over the –40°C to 85°C temperature range are

assured by design, characterization and correlation with statistical process

controls.

Note 3: Interval from the rising edge of the Enable input to the time when

the RF output is within 1dB of its steady-state output.

Note 4: Interval from the falling edge of the Enable signal to a 20dB drop

in the RF output power.

Note 5: R1 = R7 = 22.6Ω, Z1 = Z7 = 100nH.

Note 6: Second harmonic distortion measured at fLO + fIF1 + fIF2.

5521f

3

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