MAX19757ETX+T datasheet(4/34 Pages) MAXIM

Part #	MAX19757ETX+T

Description	Dual, SiGe, High-Linearity, 1700MHz to 2700MHz Downconversion Mixer

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Manufacturer	MAXIM [Maxim Integrated Products]

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MAX19757

Dual, SiGe, High-Linearity,

1700MHz to 2700MHz Downconversion Mixer with

Advanced Shutdown Features

www.maximintegrated.com

Maxim Integrated │ 4

Recommended AC Operating Conditions

5V AC Electrical Characteristics (Low-Side LO)

(Typical Application Circuit,R1=4.87kΩ,R3=154kΩtoVCC, VCC=4.75Vto5.25V,RFandLOportsaredrivenfrom50Ωsources,

PRF = -5dBm, fRF = 2550MHz, fLO = 2350MHz, fIF = 200MHz, PLO1 = -3dBm to +3dBm, LOSEL = 1, LO_TUNE1 = LO_TUNE2 = 1,

PD1 = PD2 = STBY = 0, TC = -40°C to +105°C. Typical values are at VCC = 5.0V, PRF = -5dBm, PLO = 0dBm, fRF = 2550MHz,

fLO = 2350MHz, LO_TUNE1 = LO_TUNE2 = 1, fIF = 200MHz, and TC = +25°C.) (Notes 5, 6)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

RF Frequency

fRF

(Note 7)

1700

2700

MHz

LO Frequency

fLO

(Note 7)

1800

2600

MHz

IF Frequency (Note 7)

fIF

UsingMini-CircuitsTC4-1W-174:1

transformerasdefinedintheTypical

Application Circuit; IF matching components

affect the IF frequency range

100

500

MHz

Using alternative Mini-Circuits

TC4-1W-7A4:1transformerasdefinedin

the Typical Application Circuit, IF matching

components affect the IF frequency range

50

250

LO Drive Level

PLO

-3

+3

dBm

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Conversion Gain

GC

7.4

8.8

9.9

dB

TC = +25°C

8.1

8.8

9.7

RF Gain Flatness

Flatness over any 120MHz portion of the RF

band, fIF = 200MHz

0.10

dB

Conversion Gain Flatness

GFREQ

Flatness over a 100MHz RF band,

fIF = 200 ±50MHz (Note 9)

0.34

0.55

dB

Gain Variation Over Temperature

TCCG

TC = -40°C to +105°C

-0.010

dB/°C

1σGainDeviation

TC = -40°C to +105°C

0.082

dB

Input 1dB Compression Point

IP1dB

(Notes 8, 9)

11

13.1

dBm

Output 1dB Compression Point

OP1dB

(Notes 8, 9)

17

20.9

dBm

Input 0.1dB Compression Point

IP0.1dB

(Note 9)

4

5.6

dBm

Small-Signal Compression Under

Blocking Conditions

PRF = -5dBm, fBLOCKER = 2545MHz,

PBLOCKER = 8dBm (Note 8)

0.4

dB

Input Third-Order Intercept Point

IIP3

fRF1-fRF2 = 1MHz,

PRF = -5dBm/tone

(Notes 9,10)

TC = +25°C

23.9

25.3

dBm

23.5

25.3

Input Third-Order Intercept Point

1σDeviation

IIP3dev

fRF1-fRF2 = 1MHz, PRF = -5dBm/tone

0.17

dBm

Input Third-Order Intercept Point

Variation Over Temperature

TCIIP3

fRF1-fRF2 = 1MHz, PRF = -5dBm/tone,

TC = -40°C to +105°C

0.0035

dB/°C

Output Third-Order Intercept

Point

OIP3

fRF1-fRF2 = 1MHz,

PRF = -5dBm/tone

(Notes 9, 10)

TC = +25°C

30.8

34.1

dBm

30.4

34.1

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MAX19757ETX+T Datasheet(PDF) 4 Page - Maxim Integrated Products

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