AD8333 データシートの表示（PDF） - Analog Devices

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AD8333

DC to 50 MHz, Dual I/Q Demodulator and Phase Shifter

Analog Devices 

2.0

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

1M

10M

RF FREQUENCY (Hz)

100M

Figure 14. Representative Range of Quadrature Phase Errors vs.

RF Frequency, CH1 or CH2, All Codes

2.0

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

100

1k

10k

BASEBAND FREQUENCY (Hz)

100k

Figure 15. Range of Quadrature Phase Error vs. Baseband Frequency,

CH1 and CH2 ( see Figure 43)

0.5

0.4

0.3

0.2

0.1

0

–0.1

–0.2

–0.3

–0.4

–0.5

1M

10M

50M

RF FREQUENCY (Hz)

Figure 16. Representative Range of Amplitude Imbalance of I/Q vs.

RF Frequency, CH1 or CH2, All Codes

AD8333

0.5

0.4

0.3

0.2

0.1

0

–0.1

–0.2

–0.3

–0.4

–0.5

100

1k

10k

BASEBAND FREQUENCY (Hz)

100k

Figure 17. Representative Range of I/Q Amplitude Imbalance vs.

Baseband Frequency, CH1 and CH2 ( see Figure 43)

2.0

CODE 0000

–40°C

1.5 +25°C

+85°C

1.0 CODE 0001

–40°C

+25°C

0.5 +85°C

fBB =10kHz

I2/I1 DISPLAYED

0

CODE 0010

–0.5 –40°C

+25°C

+85°C

–1.0

CODE 0011

–40°C

–1.5 +25°C

+85°C

–2.0

1M

10M

50M

RF FREQUENCY (Hz)

Figure 18. Typical I2/I1 or Q2/Q1 Amplitude Match vs. RF Frequency

First Quadrant, at Three Temperatures

8

CODE 0000

–40°C

6

+25°C

+85°C

CODE 0001

4

–40°C

+25°C

+85°C

2

CODE 0010

–40°C

+25°C

+85°C

CODE 0011

–40°C

+25°C

+85°C

0

–2

fBB = 10kHz

I2/I1 DISPLAYED

–4

1M

10M

50M

RF FREQUENCY (Hz)

Figure 19. I2/I1 or Q2/Q1 Phase Error vs. RF Frequency,

Baseband Frequency = 10 kHz, at Three Temperatures

Rev. A | Page 9 of 28

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