Analog Devices AD8342 specifications

AD8342
	16
	15
	14
(dB)					NF = 140MHz
	13						NF = 90MHz
NF
	12
					NF = 10MHz			NF = 48MHz
	11										05352-018
	10
		–13	–11	–9	–7	–5	–3	–1	1	3	5
	–15
					LO POWER (dBm)

Figure 27. Noise Figure vs. LO Power, fRF = 238 MHz

5.0

4.5

4.0

3.5

(dB)	3.0
	2.5
GAIN
	2.0

1.5
1.0
								024-05352
0.5
0
	2.0	2.2	2.4	2.6	2.8	3.0	3.2	3.4
1.8

RBIAS (kΩ)

Figure 28. Gain vs. RBIAS, RF Frequency = 238 MHz, LO Frequency = 286MHz

	61
	59
(dBm)IP2	57
	53
	55
INPUT	51

49
47									05352-037
45
	2.0	2.2	2.4	2.6	2.8	3.0	3.2	3.4
1.8

RBIAS (kΩ)

Figure 29. Input IP2 vs. RBIAS, fRF = 238 MHz (Second RF = RF – 50MHz),

fLO = 286 MHz

	30							NORMAL
								MEAN = 12.25
	25							STD. DEV. = 0.14
								NF PERCENTAGE
PERCENTAGE	20
	15
	10
	5										05352-023
	0
		11.9	12.0	12.1	12.2	12.3	12.4	12.5	12.6	12.7	12.8
	11.8

NOISE FIGURE (dB)

Figure 30. Noise Figure Distribution, fRF = 238 MHz, fLO = 286 MHz

	30						105
(dBm)	25						100
				INPUT IP3				CURRENT (mA)
AND INPUT IP3
	20						95
	15						90
NOISE FIGURE	10	NOISE FIGURE					85	SUPPLY
	5				CURRENT		80
	0						75	05352-015
	1.8	2.0	2.2	2.4	2.6	2.8	3.0
				RBIAS (kΩ)

Figure 31. Noise Figure, Input IP3 and Supply Current vs. RBIAS,

fRF1 = 238 MHz, fRF2 = 239 MHz, fLO = 286 MHz

	10
	9
	8
(dBm)	7
	6
P1dB	5
INPUT	4
	3

2
								036-05352
1
0
	2.0	2.2	2.4	2.6	2.8	3.0	3.2	3.4
1.8

RBIAS (kΩ)

Figure 32. Input P1dB vs. RBIAS, fRF = 238 MHz, fLO = 286 MHz

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