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Ac performance, Ad8342 – Analog Devices AD8342 User Manual

Page 4

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AD8342

Rev. 0 | Page 4 of 20

AC PERFORMANCE

V

S

= 5 V, T

A

= 25°C, LO power = 0 dBm, Z

O

= 50 Ω, R

BIAS

= 1.82 kΩ, RF termination 100 Ω, IF terminated into 100 Ω via a 2:1 ratio balun,

unless otherwise noted.

Table 2.
Parameter

Conditions

Min

Typ

Max

Unit

RF FREQUENCY RANGE

1

50

500

MHz

LO FREQUENCY RANGE

1

High side LO

60

850

MHz

IF FREQUENCY RANGE

1

10

350

MHz

CONVERSION GAIN

f

RF

= 460 MHz, f

LO

= 550 MHz, f

IF

= 90 MHz

3.2

dB

f

RF

= 238 MHz, f

LO

= 286 MHz, f

IF

= 48 MHz

3.7

dB

SSB NOISE FIGURE

f

RF

= 460 MHz, f

LO

= 550 MHz, f

IF

= 90 MHz

12.5

dB

f

RF

= 238 MHz, f

LO

= 286 MHz, f

IF

= 48 MHz

12.2

dB

INPUT THIRD-ORDER INTERCEPT

f

RF1

= 460 MHz, f

RF2

= 461 MHz, f

LO

= 550 MHz,

f

IF1

= 90 MHz, f

IF2

= 89 MHz each RF tone −10 dBm

22.2

dBm

f

RF1

= 238 MHz, f

RF2

= 239 MHz, f

LO

= 286MHz,

f

IF1

= 48MHz, f

IF2

= 47MHz each RF tone −10 dBm

22.7

dBm

INPUT SECOND-ORDER INTERCEPT f

RF1

= 460 MHz, f

RF2

= 410 MHz, f

LO

= 550 MHz, f

IF1

= 90 MHz,

f

IF2

= 140 MHz

50

dBm

f

RF1

= 238 MHz, f

RF2

= 188 MHz, f

LO

= 286 MHz, f

IF1

= 48MHz,

f

IF2

= 98 MHz

44

dBm

INPUT 1 dB COMPRESSION POINT

f

RF

= 460 MHz, f

LO

= 550 MHz, f

IF

= 90 MHz

8.5

dBm

f

RF

= 238 MHz, f

LO

= 286 MHz, f

IF

= 48 MHz

8.3

dBm

LO TO IF OUTPUT LEAKAGE

LO power = 0 dBm, f

LO

= 286 MHz

−27

dBc

LO TO RF INPUT LEAKAGE

LO power = 0 dBm, f

LO

= 286 MHz

−55

dBc

2× LO TO IF OUTPUT LEAKAGE

LO power = 0 dBm, f

RF

= 238 MHz, f

LO

= 286 MHz

IF terminated into 100 Ω and measured with a differential probe

−47

dBm

RF TO IF OUTPUT LEAKAGE

RF power = −10 dBm, f

RF

= 238 MHz, f

LO

= 286 MHz

−32

dBc

IF/2 SPURIOUS

RF power = −10 dBm, f

RF

= 238 MHz, f

LO

= 286 MHz

−70

dBc

1

Frequency ranges are those that were extensively characterized; this device can operate over a wider range. See the H

section for details.

igh IF Applications