Rainbow-electronics MAX2327 Bedienungsanleitung PDF herunterladen (Seite 6)

MAX2320/21/22/24/26/27

Adjustable, High-Linearity,

SiGe Dual-Band LNA/Mixer ICs

6 _______________________________________________________________________________________

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)

Note 1: See Tables 1–5 for operational mode selection.

Note 2: A total of 36 devices from 3 different wafer lots are used to determine the standard deviation. The lots were selected to rep-

resent worst-case process conditions.

Note 3: Operation is characterized for the frequencies specified in the conditions; for other frequencies in the band, see Tables 8–12

for LNA and mixer S parameters.

Note 4: Guaranteed by design, characterization, and production functional test.

Note 5: Guaranteed by design and characterization.

Note 6: For cellular band, RF inputs are -25dBm each tone at 881MHz and 882MHz, f

= 1091MHz. For PCS band, RF inputs are

-25dBm each tone at 1960MHz and 1961MHz, f

= 2170MHz. For IIP3 vs. I

trade-off, see Typical Operating

Characteristics.

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

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

Without doubler 10.6 11.3 12 12.1 12.8

PCS

With doubler 10.2 10.8 11.5 12.4 13.1

Gain (Note 4) G

Cellular Band 11.2 12.1 13 13.8 14.7

PCS ±1 ±1

Gain Variation Over

Temperature Relative

to +25°C

= -40°C to

+85°C

Cellular ±1 ±1

Without doubler 7.2 7.5 7.6

PCS

With doubler

(Note 7)

10.5 12 13.4

Without divider 7 7.2 7.6

Noise Figure NF

Cellular

With divider 7.5 7.7 8.1

Without doubler +1

PCS

With doubler +2.2

Input Third-Order

Intercept

IIP3

Cellular +1.0

dBm

FM MODE (Note 1)

= +25°C 9.7 10.4 11.2 11.9 12.7

Gain (Note 4) G

= -40°C to +85°C 7.8 9.0 11.2 14.0 15.4

Noise Figure NF 10.6 11.1 11.5 dB

Input Third-Order

Intercept (Notes 5, 6)

IIP3 T

= -40°C to +85°C 2.3 3.2 4.9 dBm

LO BUFFER PERFORMANCE (BUFFEN = HIGH)

Load = 100Ω pullup resistor -12

LO Output Level

BUFFEN = GND -44

dBm

LO_OUT Even Harmonic

Distortion

-31 dBc

LO Emissions at LNA

Input Port

Interstage filter rejection = 20dB -50 dBm

1 2 3 4 5 6 7 8 9 10 11 ... 27 28

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