AD8346 datasheet(7/20 Pages) AD

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AD8346

Rev. A | Page 7 of 20

TYPICAL PERFORMANCE CHARACTERISTICS

LO FREQUENCY (MHz)

–6

–7

–8

–9

–10

–11

–12

–13

–14

–15

1200

1600

2000

2400

800

1400

1800

2200

1000

T = 25°C

VP = 5.5V

VP = 5V

VP = 2.7V

VP = 3V

Figure 7. Single Sideband (SSB) Output Power (POUT) vs. LO Frequency (FLO).

I and Q inputs driven in quadrature at baseband frequency

(FBB) = 100 kHz with differential amplitude of 2.00 V p-p.

–6

–7

–8

–9

–10

–11

–12

–13

LO = 1900MHz, –10dBm

LO = 800MHz, –10dBm

LO = 1900MHz, –6dBm

LO = 800MHz, –6dBm

TEMPERATURE (°C)

–40

–20

2030

5060

7080

–30

–10

Figure 8. SSB POUT vs. Temperature. I and Q inputs driven in quadrature

with differential amplitude of 2.00 V p-p at FBB = 100 kHz.

TEMPERATURE (°C)

–35

–40

–20

405060

–37

–39

–41

–43

–45

–47

–49

–51

–30

–10

VP = 5V

VP = 5.5V

VP = 3V

VP = 2.7V

Figure 9. Carrier Feedthrough vs. Temperature.

FLO = 1900 MHz, LO input level = –10 dBm.

BASEBAND FREQUENCY (MHz)

0.1

100

–1

–2

–3

–4

–5

–6

–7

–8

Figure 10. I and Q Input Bandwidth. FLO =1900 MHz, I or Q inputs

driven with differential amplitude of 2.00 V p-p.

LO FREQUENCY (MHz)

800

–2

–4

–6

–8

–10

–12

1000

–14

1200

1400

1600

1800

2000

2200

2400

VP = 2.7V

T = –40°C

VP = 2.7V

T = +85°C

VP = 5V

T = –40°C

VP = 5V

T = +85°C

Figure 11. SSB Output 1 dB Compression Point (OP 1 dB) vs. FLO.

I and Q inputs driven in quadrature at FBB = 100 kHz.

CARRIER FEEDTHROUGH (dBm/

AFTER NULLING TO <–60dBm @ 25°C)

–90

–86

–82–78–74–70–66–62–58–54–50–46

T = +85°C

T = –40°C

Figure 12. Histogram Showing Carrier Feedthrough Distributions

at the Temperature Extremes after Nulling at Ambient

at FLO = 1900 MHz, LO Input Level = –10 dBm.

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