ADF4356 datasheet(9/35 Pages) AD

9 / 35 page

Data Sheet

ADF4356

Rev. 0 | Page 9 of 35

TYPICAL PERFORMANCE CHARACTERISTICS

–170

–150

–130

–110

–90

–70

–50

10k

100k

10M

100M

FREQUENCY OFFSET FROM CARRIER (Hz)

Figure 4. Open-Loop VCO Phase Noise, 3.4 GHz

–170

–150

–130

–110

–90

–70

–50

10k

100k

10M

100M

FREQUENCY OFFSET FROM CARRIER (Hz)

Figure 5. Open-Loop VCO Phase Noise, 5.0 GHz

–170

–150

–130

–110

–90

–70

–50

10k

100k

10M

100M

FREQUENCY OFFSET FROM CARRIER (Hz)

Figure 6. Open-Loop VCO Phase Noise, 6.8 GHz

–170

–160

–150

–140

–130

–120

–110

–100

–90

–80

10k

100k

10M

100M

FREQUENCY (Hz)

DIV1

DIV2

DIV4

DIV8

DIV16

DIV32

DIV64

Figure 7. Closed-Loop Phase Noise, RFOUTB+ (100 nH Inductors),

Fundamental VCO and Dividers, VCO = 3.4 GHz, PFD = 61.44 MHz, Loop

Bandwidth = 40 kHz

–170

–150

–130

–110

–90

–50

–70

10k

100k

10M

100M

FREQUENCY (Hz)

DIV1

DIV2

DIV4

DIV8

DIV16

DIV32

DIV64

Figure 8. Closed-Loop Phase Noise, RFOUTB+ (100 nH Inductors),

Fundamental VCO and Dividers, VCO = 5.0 GHz, PFD = 61.44 MHz, Loop

Bandwidth = 40 kHz

–170

–150

–130

–110

–90

–50

–70

10k

100k

10M

100M

FREQUENCY (Hz)

DIV1

DIV2

DIV4

DIV8

DIV16

DIV32

DIV64

Figure 9. Closed-Loop Phase Noise, RFOUTB+ (100 nH Inductors),

Fundamental VCO and Dividers, VCO = 6.8 GHz, PFD = 61.44 MHz, Loop

Bandwidth = 40 kHz

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