SA9502 datasheet(7/26 Pages) PHILIPS

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Philips Semiconductors

Product specification

SA9502

Dual-band, CDMA/AMPS downconverter IC

1999 Mar 19

AC ELECTRICAL CHARACTERISTICS (continued)

VCC = 2.7V; Tamb= +25°C; Plo = –3 dBm, fIF = 85.40 MHz and measured on Philips demonstration board; unless specified otherwise.

PARAMETER

TEST CONDITIONS

UNITS

PARAMETER

TEST CONDITIONS

MIN

–3

TYP.

MAX.

UNITS

PCS Downconverter

RF input frequency range

1810

1990

MHz

LO input frequency range

With doubler

860

1050

MHz

LO input frequency range

Direct PCS LO

1720

2200

MHz

IF output frequency range

300

MHz

IF output load impedance

Differential

1000

Ω

Conversion gain

@ fIF, over RF/LO frequency ranges

10.5

11.1

11.7

Noise figure

@ fIF, over RF/LO frequency ranges, SSB

8.4

9.3

Input IP3

@ fIF, over RF/LO frequency

direct LO

0.5

1.8

dBm

Input IP3

IF,q

ranges at 25

°C @ VCC = 3.6V

doubled LO

0.1

1.2

dBm

RF input return loss

ZS = 50Ω, with external balun

7.5

LO input return loss

ZS = 50Ω

LO output return loss

ZS = 50Ω, single LO out

LO input power range

–6

–3

dBm

LO output power range

ZL = 50Ω, single LO out with LO buffer on

(Pin 13 = High)

–10.0

–8.5

–7

dBm

LO (input and output) to RF leakage

Single-ended in, single-ended out,

with and without doubler

–56

–47

dBm

LO (input and output) to IF leakage

Single-ended in, differential out,

with and without doubler

–43

–39

dBm

RF to LO (input) isolation

Single-ended in, single-ended out,

with and without doubler

RF to IF isolation

Single-ended in, differential out

LO output to LO input isolation

Single-ended in, single-ended out,

with doubler

1/2 IF supurious rejection

1/2 IF spur, fIF = 85.4 MHz/111.38 MHz,

with doubler, Pint = –30 dBm at RF input.

1/2 IF supurious rejection

1/2 IF spur, fIF = 85.4 MHz/111.38 MHz,

without doubler, Pint = –30 dBm at RF input.

Spurious response rejection

With Tx band interferer at LO input port or LO

buffer output port of –40 dBm max and with

Pint = –21 dBm in Rx band.

Spurious response rejection

With Tx band interferer at RF

input port of –40 dBm max and

direct LO

in ut ort of –40 dBm max and

with Pint = –21 dBm in Rx band.

doubled LO

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