AD8340

Data Sheet

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 = 880 MHz

GAIN SETPOINT

4

3

–6

–2

–3

–4

–5

0

–1

2

1

–7

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 = 315°

PHASE SETPOINT = 0°

PHASE SETPOINT = 90°

PHASE SETPOINT = 45°

PHASE SETPOINT = 135°

PHASE SETPOINT = 225°

Figure 4. Gain Conformance Error vs. Gain Setpoint at

Different Phase Setpoints

PHASE SETPOINT (Degrees)

0

–20

45

–2

–8

–12

–16

–18

–4

–6

–10

–14

–22

–24

315

270

360

180

90

135

225

0

GAIN SETPOINT = 0.1

GAIN SETPOINT = 0.5

GAIN SETPOINT = 1.0

Figure 5. Gain Magnitude vs. Phase Setpoint at Different Gain Setpoints

0.4

–1.6

0.2

–0.4

–0.8

–1.2

–1.4

0.0

–0.2

–0.6

–1.0

–1.8

–2.0

PHASE SETPOINT (Degrees)

45

315

270

360

180

90

135

225

0

GAIN SETPOINT = 0.1

GAIN SETPOINT = 0.5

GAIN SETPOINT = 1.0

Figure 6. Gain Conformance Error vs. Phase Setpoint at Different Gain

Setpoints

PHASE SETPOINT (Degrees)

360

150

60

330

180

120

90

300

240

270

210

30

0

0

30

60

90

120 150

180 210 240 270 300 330 360

GAIN SETPOINT = 1.0

GAIN SETPOINT = 0.1

GAIN SETPOINT = 0.5

Figure 7. Phase vs. Phase Setpoint at Different Gain Setpoints

PHASE SETPOINT (Degrees)

0

45

90

135

360

180

225

270

315

6

4

–12

2

0

–2

–4

–6

–8

–10

GAIN SETPOINT = 0.1

GAIN SETPOINT = 0.5

GAIN SETPOINT = 1.0

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

Rev. C | Page 6 of 20