AD8317 datasheet(9/20 Pages) AD

9 / 20 page

AD8317

Rev. B | Page 9 of 20

–j1

–j2

j0.5

–j0.5

j0.2

–j0.2

0.2

0.5

8000MHz

10000MHz

5800MHz

3600MHz

2200MHz

1900MHz

900MHz

100MHz

START FREQUENCY = 0.05GHz

STOP FREQUENCY = 10GHz

Figure 15. Input Impedance vs. Frequency; No Termination Resistor on INHI

(Impedance De-Embedded to Input Pins), Z0 = 50 Ω

A Ch3

620mV

Ch3 500mV Ch4 200mV

M4.00µs

12.7560µs

Δ : 1.86V

@ : 1.69V

Figure 16. Power-On/Power-Off Response Time; VPOS = 3.0 V;

Input AC-Coupling Capacitors = 10 pF; CLPF = Open

CH1 200mV

M20.0ns

A CH1

1.40V

943.600ns

CH1 RISE

10.44ns

CH1 FALL

6.113ns

Figure 17. VOUT Pulse Response Time; Pulsed RF Input 0.1 GHz, −10 dBm;

CLPF = Open; RLOAD = 150 Ω

10k

100k

100

1000

10000

10M

–20dBm

0dBm

–60dBm

RF OFF

–40dBm

FREQUENCY (Hz)

–10dBm

Figure 18. Noise Spectral Density of Output; CLPF = Open

10k

100k

100

1000

10000

10M

FREQUENCY (Hz)

Figure 19. Noise Spectral Density of Output Buffer (from CLPF to VOUT);

CLPF = 0.1 μF

0.25

0.50

1.00

1.25

1.50

1.75

2.00

0.75

–2.0

–1.5

0.5

1.0

1.5

2.0

–0.5

–1.0

–55

–45

–35

–25

–15

–5

PIN (dBm)

–65

3.3V

3.0V

3.6V

Figure 20. Output Voltage Stability vs. Supply Voltage at 1.9 GHz

When VPOS Varies by 10%

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