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MAX2059ETL

1700MHz to 2200MHz High-Linearity, SPI-Controlled DVGA with Integrated Loopback Mixer

Maxim Integrated 

1700MHz to 2200MHz High-Linearity,

SPI-Controlled DVGA with Integrated Loopback Mixer

Pin Description

PIN

NAME

FUNCTION

1

LO+

Loopback Mixer Local Oscillator Positive Input

2

LO-

Loopback Mixer Local Oscillator Negative Input

3

VCCLB

Loopback Mixer Supply Voltage. +5V supply for the internal loopback mixer. Bypass to GND with

22pF and 0.1µF capacitors as close as possible to the pin.

4

LBOUT Loopback Mixer RF Output. Internally matched to 50Ω. AC-couple with a capacitor.

5

LB_EN Loopback Mixer Logic Input. Set to logic-low 0 to enable the mixer. Set to logic-high 1 to disable the mixer.

6

DATA

SPI Digital Data Input

7

CLK

SPI Clock Input

8

CS

SPI Chip-Select Input

9

VCCLOGIC

Logic Supply Voltage. +5V supply for the internal logic circuitry. Bypass to GND with 22pF and 0.1µF

capacitors as close as possible to the pin.

10, 11, 13,

14, 16, 17,

19, 22, 24,

25, 26, 30,

32, 34, 35,

37, 38

GND

Ground

12

ATTEN_OUTB Attenuator B Output. Internally matched to 50Ω.

15

VCC

Attenuator B Supply. +5V supply for attenuator B. Bypass to GND with 22pF and 0.01µF capacitors

as close as possible to the pin.

18

ATTEN_INB Attenuator B Input. Internally matched to 50Ω.

20

RSET2

Output Amplifier Bias-Current-Setting Resistor. Sets the bias current for the output amplifier stage.

Connect a 2kΩ resistor to ground.

21

VCCBIAS2 Bias Circuit Supply Voltage. +5V supply for the internal bias circuitry. Bypass to GND with 1000pF

and 0.1µF capacitors as close as possible to the pin.

23

AMPOUT RF Amplifier Output. Internally matched to 50Ω.

27

VCCAMP

RF Amplifier Supply Voltage. +5V supply for the RF amplifier. Bypass to GND with 1000pF and 0.1µF

capacitors as close as possible to the pin.

28

AMPIN RF Amplifier Input. Internally matched to 50Ω.

29

VCCBIAS1 Bias Circuit Supply Voltage. +5V supply for the internal bias circuitry. Bypass to GND with 1000pF

and 0.1µF capacitors as close as possible to the pin.

31

RSET1

Input Amplifier Bias-Current-Setting Resistor. Sets the bias current for the input amplifier stage.

Connect a 1.2kΩ resistor to ground.

33

ATTEN_OUTA Attenuator A Output. Internally matched to 50Ω.

36

VCC

Attenuator A Supply Voltage. +5V supply for attenuator A. Bypass to GND with 22pF and 0.01µF

capacitors as close as possible to the pin.

39

ATTEN_INA Attenuator A Input. Internally matched to 50Ω.

40

LBBIAS

Loopback Mixer Bias-Current-Setting Resistor. Sets the bias current for the mixer. Connect a 2kΩ

resistor to ground.

EP

EP

Exposed Ground Paddle. Solder the exposed paddle to GND using multiple vias.

10 ______________________________________________________________________________________

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