SA9500 datasheet(7/22 Pages) PHILIPS

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Philips Semiconductors

Product specification

SA9500

Dual-band, CDMA/AMPS downconverter IC

1998 Aug 11

AC ELECTRICAL CHARACTERISTICS (continued)

VCC = +2.7V to +3.3V; Tamb= +25°C; Plo = –3 dBm, fIF = 85.40 MHz; unless specified otherwise.

Appropriate external matching necessary.

PARAMETER

TEST CONDITIONS

LIMITS

UNITS

PARAMETER

TEST CONDITIONS

MIN.

–3

TYP.

MAX.

UNITS

PCS Downconverter

RF input frequency range

1810

1990

MHz

LO input frequency range

With doubler

1007

1050

MHz

IF output frequency range

300

MHz

IF output load impedance

Differential

1000

Ω

Conversion gain

@ fIF, over RF/LO frequency

ranges

9.5

11.3

11.7

Noise figure

@ fIF, over RF/LO frequency

ranges, SSB

8.3

10.5

Input IP3

@ fIF, over RF/LO frequency

ranges

1.0

1.4

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

ZL = 50Ω, single LO out

LO output power range

with LO buffer @ low gain

–16.0

–15.0

–14.0

dBm

with LO buffer @ high gain

–7.5

–5.0

–4.0

dBm

LO (input and output) to RF leakage

Single-ended in, single-ended out,

with and without doubler

–39.0

–35

dBm

LO (input and output) to IF leakage

Single-ended in, differential out,

with and without doubler

–47.0

–35

dBm

RF to LO (input) isolation

Single-ended in, single-ended out,

with and without doubler

56.0

RF to IF isolation

Single-ended in, differential out

42.0

LO output to LO input isolation

Single-ended in, single-ended out,

with doubler

35.0

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

MHz, with and without doubler,

Pint = –30 dBm at RF input.

56.0

58.0

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.

71.0

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