Analog Devices AD8342 Rev, Supply Current vs. Temperature, LO Return Loss vs. LO Frequency

	0
	–10
	–20
(dBc)	–30
	–40
LEAKAGE
	–50
	–60

–70
–80				05352-021
–90
	250	450	650	850
50

LO FREQUENCY (MHz)

Figure 33. LO to RF Leakage vs. LO Frequency, LO Power = 0 dBm

	0
	–5
	–10
(dBc)	–15
FEEDTHROUGH	–20
	–25						IF = 10MHz
	–30
	–35
	–40						IF = 48MHz				05352-035
	–45
		100	150	200	250	300	350	400	450	500	550
	50

RF FREQUENCY (MHz)

Figure 34. RF to IF Feedthrough, RF Power = −10 dBm

	0
	–5
	–10
(dBc)	–15
FEEDTHROUGH	–20
	–25
	–30
	–35
	–40								05352-020
	–45
		150	250	350	450	550	650	750	850
	50

LO FREQUENCY (MHz)

Figure 35. LO to IF Feedthrough vs. LO Frequency, LO Power = 0 dBm

AD8342

	120
	100
(mA)	80
CURRENT	60
SUPPLY	40
	20										05352-034
	0
			–20		0		20	40		60	80
	–40
						TEMPERATURE (°C)
		Figure 36. Supply Current vs. Temperature
	0
	–2
(dB)	–4
	–6
LOSS
	–8
RETURN
	–12
	–10
	–14
	–16										05352-059
	–18
		160	260		360		460	560	660	760	860
	60
				LO FREQUENCY (MHz)
		Figure 37. LO Return Loss vs. LO Frequency
							100pF
	VPOS						1.82kΩ
	0.1∝F		100pF
				12		11	10	9
			VPDC			PWDN	EXRB	COMM
			13	COMM				COMM	8
		1nF	14	RFCM				IFOP	7		IF OUT
						AD8342					(50Ω)
		100Ω									TC2-1T
	RF IN	1nF	15	RFIN				IFOM	6
VPOS
			16	VPMX				COMM	5
	0.1∝F	100pF
			VPLO			LOCM	LOIN	COMM
											VPOS
				1		2	3	4
										100pF	0.1∝F
	0.1∝F	100pF			1nF		1nF
											05352-058
							LO IN

Figure 38. Characterization Circuit Used to Measure TPC Data

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