ADF4001BCP datasheet(17/28 Pages) AD

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AD8348

Rev. A | Page 17 of 28

IF FREQUENCY (MHz)

100

160

140

120

220

200

180

300

280

260

240

0.5

2.5

2.0

1.5

1.0

(SHUNT CAPACITANCE)

(SHUNT RESISTANCE)

Figure 43. Input Impedance of Mixer Input vs. FIF, VGIN = 0.7 V, VPOS = 5 V

180

330

270

300

120

240

150

210

IMPEDANCE CIRCLE

MX INPUTS WITH 4:1 BALUN

MXIP INPUT PIN

Figure 44. S11 of Mixer Input vs. FIF, FIF = 50 MHz to 1 GHz,

VGIN = 0.7 V, VPOS = 5 V (With and Without Balun)

EXTERNAL LO FREQUENCY (MHz)

–30

–15

–10

–5

–35

–25

–20

RETURN LOSS LOIP PIN SINGLE-ENDED,

LOIN AC-COUPLED TO GROUND.

Figure 45. Return Loss of LOIP Input vs. External LO Frequency

FREQUENCY APPLIED TO LOIP/LOIN (MHz)

–20

–15

–10

–5

–35

–30

–25

RETURN LOSS LO INPUT, THROUGH BALUN

WITH 60.4Ω IN SHUNT BETWEEN LOIP/LOIN

Figure 46. Return Loss of LO Input vs. External LO Frequency

Through Balun, with Termination Resistor

TEMPERATURE (°C)

–30

–40

–20 –10

VS = 5V

VS = 2.7V

Figure 47. Supply Current vs. Temperature

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