Datasheet > TQM879026_15

TQM879026_15

更新时间： 2022-02-26 14:04:11

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描述
0.7-4 GHz W Digital Variable Gain Amplifier

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TQM879026_15 数据手册

TQM879026

0.7-4 GHz ¼W Digital Variable Gain Amplifier

Typical Performance 1805ꢀ–ꢀ1880ꢀMHz Reference Design

Test conditions unless otherwise noted: V_DD=+5V, Temp= +25°C, DSA at max. gain setting

Units

MHz

Parameter

Frequency

Conditions

Typical Values

1805

33.8

-16

1840

33.9

-18

1880

33.9

-20

Gain

Input Return Loss

Output Return Loss

Output P1dB

Output IP3

-20

+24.3

+42.0

+15.1

1.5

+24.3

+41.6

+15.2

1.5

+23.2

+41.2

+15.2

1.5

dBm

Pout= +8 dBm/tone, Δf=1 MHz

WCDMA Channel Power⁽¹⁾At −50 dBC ACLR

Noise Figure

Notes:

ACLR Test set-up: 3GPP WCDMA, TM1+64 DPCH, +5 MHz offset, PAR = 10.2 dB at 0.01% Prob

Performance Plots 1805ꢀ–ꢀ1880ꢀMHz Reference Design

Gain vs. Frequency

Input Return Loss vs. Frequency

Output Return Loss vs. Frequency

-5

Temp.=+25°C

-10

-15

-20

-25

-30

-35

-10

-15

-20

-25

1805

1830

1855

1880

1805

1830

1855

1880

1805

1830

1855

1880

Frequency (MHz)

Attenuation Accuracy vs. Bit Step

Part No: TQM879026 1805-1880MHz

Temp.=+25°C

OIP3 vs. Pout/tone

ACLR vs. Pout

-30

-35

-40

-45

-50

-55

-60

-65

TQM879026

Temp.=+25°C

1880 MHz

1840 MHz

1805 MHz

1880 MHz

1840 MHz

1805 MHz

-1

-2

10 15 20 25 30 35 40 45 50 55 60 65

Bit Step

Pout/Tone (dBm)

Pout (dBm)

P1dB vs. Frequency

Noise Figure vs. Frequency

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

Temp.=+25°C

1805

1830

1855

1880

1805

1830

1855

1880

Frequency (MHz)

Datasheet: Rev D 11-10-14

Disclaimer: Subject to change without notice

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