AD8341

Rev. 0 | Page 6 of 20

TYPICAL PERFORMANCE CHARACTERISTICS

GAIN SETPOINT

0

0.3

0.5

0.9

1.0

0.8

0.7

0.6

0.4

0.2

0.1

0

–5

–40

–10

–15

–20

–25

–30

–35

PHASE SETPOINT = 180

°

PHASE SETPOINT = 270

°

PHASE SETPOINT = 90

°

PHASE SETPOINT = 0

°

Figure 3. Gain Magnitude vs. Gain Setpoint at Different

Phase Setpoints, RF Frequency = 1900 MHz

GAIN SETPOINT

6

–8

–7

–6

–5

–4

–3

–2

–1

0

1

2

3

4

5

0

0.1

1.0

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

PHASE SETPOINT = 180

°

PHASE SETPOINT = 270

°

PHASE SETPOINT = 225

°

PHASE SETPOINT = 0

°

PHASE SETPOINT = 90

°

PHASE SETPOINT = 45

°

PHASE SETPOINT = 135

°

PHASE SETPOINT = 315

°

Figure 4. Gain Conformance Error vs. Gain Setpoint at

Different Phase Setpoints, RF Frequency = 1900 MHz

PHASE SETPOINT (Degrees)

–2

45

–28

–26

–24

–22

–20

–18

–16

–14

–12

–10

–8

–6

–4

315

270

360

180

90

135

225

0

GAIN SETPOINT = 0.1

GAIN SETPOINT = 0.5

GAIN SETPOINT = 0.25

GAIN SETPOINT = 1.0

Figure 5. Gain Magnitude vs. Phase Setpoint at Different

Gain Setpoints, RF Frequency = 1900 MHz

1.0

–4.5

–4.0

–3.5

–3.0

–2.5

–2.0

–1.5

–1.0

–0.5

0

0.5

PHASE SETPOINT (Degrees)

45

315

270

360

180

90

135

225

0

GAIN SETPOINT = 0.1

GAIN SETPOINT = 0.25

GAIN SETPOINT = 0.5

GAIN SETPOINT = 1.0

Figure 6. Gain Conformance Error vs. Phase Setpoint at

Different Gain Setpoints, RF Frequency = 1900 MHz

PHASE SETPOINT (Degrees)

360

315

270

225

180

135

90

45

0

0

360

315

270

225

180

135

90

45

GAIN SETPOINT = 1.0

GAIN SETPOINT = 0.1

GAIN SETPOINT = 0.25

GAIN SETPOINT = 0.5

Figure 7. Phase vs. Phase Setpoint at

Different Gain Setpoints, RF Frequency = 1900 MHz

PHASE SETPOINT (Degrees)

0

45

90

135

360

180

225

270

315

25

–15

–10

–5

0

5

10

15

20

GAIN SETPOINT = 0.1

GAIN SETPOINT = 0.5

GAIN SETPOINT = 1.0

GAIN SETPOINT = 0.25

Figure 8. Phase Error vs. Phase Setpoint at Different Gain Setpoints,

RF Frequency = 1900 MHz