SA9502 datasheet(6/26 Pages) PHILIPS

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Philips Semiconductors

Product specification

SA9502

Dual-band, CDMA/AMPS downconverter IC

1999 Mar 19

AC ELECTRICAL CHARACTERISTICS

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

Cellular Band Downconverter

RF input frequency range

869

894

MHz

LO input frequency range

950

1030

MHz

IF output frequency range (CDMA)

300

MHz

IF output frequency range (FM)

300

MHz

IF output load impedance

CDMA, differential

1000

Ω

IF output load impedance

FM, single-ended, with ext. balun

850

Ω

Conversion gain

CDMA

10.7

11.3

11.9

Conversion gain

7.0

7.5

8.0

Noise figure

CDMA mode, SSB

9.4

10.0

Noise figure

FM mode, SSB

10.5

10.7

Input IP3

CDMA mode, tone spacing = 900 kHz and

1.7 MHz

4.8

5.7

dBm

FM mode, tone spacing = 60 kHz

5.3

6.2

dBm

RF input return loss

ZS = 50Ω

11.0

LO input return loss

ZS = 50Ω

10.0

LO output return loss

ZS = 50Ω

8.0

LO input power range

–6.0

–3.0

0.0

dBm

LO output power range

ZL = 50Ω, single LO out

with LO buffer on (Pin 13 = High)

–7.5

–5.0

–3.0

dBm

LO (input and output) to RF leakage

Single-ended in, single-ended out

–34.5

–31.5

dBm

LO (output) to IF leakage (CDMA)

Single-ended in, differential out

–33.6

–29.0

dBm

LO (output) to IF leakage (FM)

Single-ended in, differential out

–20.0

–17.5

dBm

LO (input) to IF leakage (CDMA)

Single-ended in, differential out

–27.7

–26.5

dBm

LO (input) to IF leakage (FM)

Single-ended in, differential out

–18.5

–17.8

dBm

RF to LO (input) isolation

Single-ended in, single-ended out

32.8

RF to IF isolation (CDMA)

Single-ended in, differential out

17.7

RF to IF isolation (FM)

Single-ended in, differential out

8.2

LO output to LO input isolation

Single-ended in, single-ended out

26.5

Spurious response rejection

With Tx band interferer at LO input port or

LO buffer output port of –40 dBm max and

with Pint = –31 dBm in Rx band.

(CDMA mode)

With Tx band interferer at RF input port of

–40 dBm max and with Pint = –31 dBm in

Rx band.

Spurious response rejection

With Tx band interferer at LO input port or

LO buffer output port of –40 dBm max and

with Pint = –31 dBm in Rx band.

(FM mode)

With Tx band interferer at RF input port of

–40 dBm max and with Pint = –31 dBm in

Rx band.

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