Analog Devices AD8342 Input P1dB vs. RF Frequency, Input P1dB vs. LO Level, fRF = 238 MHz

AD8342
	13												10
	12												9					RF = 460MHz
	11						10MHz						8
	10	90MHz											7				RF = 238MHz
(dBm)												(dBm)
	9												6
P1dB	8											P1dB	5
INPUT	7	48MHz				140MHz						INPUT	4
	6												3
	5										-05352013		2							014-05352
	4												1
	3	100	150	200	250	300	350	400	450	500	550		0	50	100	150	200	250	300	350
	50												10
				RF FREQUENCY (MHz)												IF FREQUENCY (MHz)

Figure 15. Input P1dB vs. RF Frequency Figure 18. Input P1dB vs. IF Frequency

	10.0
	9.5
	9.0	IF = 90MHz			IF = 10MHz
(dBm)	8.5										(dBm)
	8.0
P1dB	7.5		IF = 140MHz								P1dB
						IF = 48MHz
INPUT											INPUT
	7.0
	6.5
	6.0										038-05352
	5.5
	5.0	–13	–11	–9	–7	–5	–3	–1	1	3	5
	–15
					LO LEVEL (dBm)

10

9
8
7
6
5
4
3
2
					031-05352
1
0
	4.85	4.95	5.05	5.15	5.25
4.75

VPOS (V)

INPUT P1dB (dBm)

Figure 16. Input P1dB vs. LO Level, fRF = 238 MHz

10

9

8

7
6
5
4
3
2
						033-05352
1
0
	–20	0	20	40	60	80
–40

TEMPERATURE (°C)

Figure 19. Input P1dB vs. Vpos, fRF = 238 MHz,

fLO = 286 MHz

	28	NORMAL
	26
		MEAN = 8.3
	24	STD. DEV. = 0.07
	22	IP1dB (238MHz)
		PERCENTAGE
	20
PERCENTAGE	18
	16
	14
	12
	10
	8
	6
	4												05352-056
	2
	0
			8.10	8.15	8.20	8.25	8.30	8.35	8.40	8.45	8.50	8.55	8.60
	8.00 8.05
						IP1dB (238MHz)

Figure 17. Input P1dB vs. Temperature, fRF = 238 MHz, fLO = 286 MHz Figure 20. Input IP3 Distribution, fRF = 238 MHz, fLO = 286 MHz

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