Rainbow-electronics MAX2327 Manual do Utilizador descarregar pdf (Página 5)

MAX2320/21/22/24/26/27

Adjustable, High-Linearity,

SiGe Dual-Band LNA/Mixer ICs

_______________________________________________________________________________________ 5

AC ELECTRICAL CHARACTERISTICS (continued)

(MAX232_ EV kit, V

= +2.75V, f

LNAINH

= f

MIXINH

= 1960MHz, f

LNAINL

= f

MIXINL

= 881MHz, f

LOLIN

= 1091MHz (digital mode), f

LOLIN

991MHz (FM mode), f

LOHIN

= 1750MHz (MAX2320, MAX2322 with LOX2 = low, MAX2326 with BAND = low, MAX2327), f

LLOHIN

1085MHz (MAX2321 with BAND = low, MAX2322 with LOX2 = high), f

LOHIN

= 1091MHz (MAX2321 with BAND = high), f

LOHIN

2182MHz (MAX2326 with BAND = high), LO input power = -7dBm (MAX2320/MAX2326), 50Ω system, T

= +25°C, unless otherwise

noted.) (Note 2)

PARAMETER SYMBOL CONDITIONS MIN -3σ TYP +3σ MAX UNITS

PCS +6.5

Input Third-Order

Intercept (Notes 5, 6)

Cellular +6

dBm

LOW-GAIN, HIGH-LINEARITY MODES (Note 1)

PCS -2

Gain (Note 4) G

Cellular -1.5

PCS 0.5

Gain Variation Over

Temperature

Relative to +25°C

= -40°C to

+85°C

Cellular 0.5

PCS 5 5.5 6

Noise Figure (Note 5) NF

Cellular 4 4.25 4.5

PCS +10.5 +11.5 +12.5

Input Third-Order

Intercept (Notes 5, 6)

IIP3

Cellular +11.5 +12.5 +13.5

dBm

MIXER PERFORMANCE

HIGH-GAIN, HIGH-LINEARITY, AND LOW-GAIN MODES (Note 1)

Without doubler 11 11.8 12.5 13.2 14

= +25°C, PCS

With doubler 10.5 11.1 12 12.9 13.5

Without doubler 10 10.8 12.5 14.3 15.3

= -40°C to

+85°C, PCS

With doubler 9.6 10.4 12 13.1 14.3

= +25°C, cellular 12 127 13.4 14.0 14.7

Gain (Note 4) G

= -40°C to +85°C, cellular 11.3 11.9 13.4 15.5 16.5

PCS ±1

Gain Variation Over

Temperature Relative to

+25°C (Note 5)

= -40°C to

+85°C

Cellular ±1

Without doubler 7.5 7.8 8

PCS

With doubler 11 12.3 13.5

Without divider 7.5 8.1 8.5

Noise Figure NF

Cellular

With divider 7.8 8.4 8.8

Without doubler 1.8 2.4 +4

PCS,

= T

MIN

to T

MAX With doubler 1.4 2.8 +4.7

Input Third-Order

Intercept (Notes 5, 6)

IIP3

Cellular,

= T

MIN

to T

MAX

1 1.8 3.2

dBm

PCS -11 -10

Input dB Compression

Cellular

= T

MIN

to T

MAX

-12 -10.7

dBm

1 2 3 4 5 6 7 8 9 10 ... 27 28

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