HMC960LP4E datasheet(6/20 Pages) HITTITE

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HMC960LP4E

v00.0211

DC - 100 MHz DUAL DigitAL

VAriAbLe gAin AMpLifier with DriVer

figure 13. Output ip3 vs.

frequency & bias, gain = 10 db [5][6] [7] [9]

figure 14. Output ip3 vs.

frequency & bias, gain = 30 db [5][6] [7] [9]

0.5

1.5

2.5

3.5

Vdd = 4.5

Vdd = 4.75

Vdd = 5

Vdd = 5.25

Vdd = 5.5

COMMON MODE VOLTAGE (V)

4.5 V

5.5 V

0.5

1.5

2.5

3.5

4.5

Vdd = 4.5

Vdd = 4.75

Vdd = 5

Vdd = 5.25

Vdd = 5.5

COMMON MODE VOLTAGE (V)

4.5 V

5.5 V

figure 15. Output ip3 vs. Output Common

Mode, Standard bias Setting [3][5]

100

Standard Bias Setting

Hight Linearity Bias Setting

FREQUENCY (MHz)

figure 16. Output ip3 vs. Output Common

Mode, High Linearity bias Settings [3][6]

100

Standard Bias Setting

High Linearity Bias Setting

FREQUENCY (MHz)

figure 17. Output Voltage vs.

input Voltage for Various gains

figure 18. Output vs.

expected Output Over gain [8]

0.1

0.01

0.1

0dB

5dB

10dB

15dB

20dB

25dB

30dB

35dB

40dB

INPUT VOLTAGE (Vppd)

40 dB Gain

0 dB Gain

-10

-8

-6

-4

-2

-10

-8

-6

-4

-2

0dB

5dB

10dB

15dB

20dB

25dB

30dB

35dB

40dB

refP1dB

EXPECTED OUTPUT POWER (dBm)

40 dB Gain

0 dB Gain

2Vppd / 1dBm

1Vppd / -5dBm

[7] Load Impedance = 400 Ω differential, 2 Vppd output

[8] Output Power (dBm) is measured into 400 Ω output load

[9] Use the following formulas conversion between dBm, dBV

rms, and Vppd, using a 400 Ω differential load: dBVrms = 20log(Vppd/2.8284),

dBm = 10log((Vppd/2.8284)2/400x10-3), dBm = dBV

rms - 10log(400x10

-3

)

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