SA9504 datasheet(8/22 Pages) PHILIPS

8 / 22 page

Philips Semiconductors

Preliminary specification

SA9504

Dual-band, PCS(CDMA)/AMPS

LNA and downconverter mixers

1999 Oct 28

AC ELECTRICAL CHARACTERISTICS (continued)

VCC = 2.7 V; Tamb = 25°C, Plo= –3 dBm.

fRF = 1960 MHz, fLO = 1750 MHz, fIF = 210 MHz, output differential load of 1 kΩ for PCS.

PARAMETER

TEST CONDITIONS

LIMITS

UNIT

PARAMETER

TEST CONDITIONS

MIN

–3

TYP

MAX

UNIT

PCS Downconverter

RF input frequency range

1810

1990

MHz

LO input frequency range

without doubler

1720

2120

MHz

with doubler

860

1050

MHz

IF output frequency range

300

MHz

IF Output Load Impedance

Differential

1000

Ω

Conversion Gain

10.5

11.5

12.5

Noise Figure

SSB NF, low side LO (fLO = 1750 MHz)

9.0

SSB NF, high side LO (fLO = 2170 MHz)

8.0

Input IP3

P1, P2 = –30 dBm

Tone spacing = 800 kHz

dBm

RF Input Return Loss

ZS = 50Ω, with external matching

LO Input Return Loss

ZS = 50Ω

(Tx) LO Output Return Loss

ZS = 50Ω

LO Input Power Range

–9

–6

dBm

(Tx) LO Output Power Range

ZL = 50Ω single-ended; (Tx) LO buffer ON

–10

–9

–6

dBm

LO (input and Output) to RF Leakage

Single-ended in, single-ended out,

with and without doubler

–35

dBm

LO (input and Output) to IF Leakage

Single-ended in, differential out,

with and without doubler

–35

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

(Tx) LO Output to LO Input Isolation

Single-ended in, differential out, with doubler

Leakage conversion gain

f1 = fRX ± 80 MHz at LNA input.

P1 = – 70 dBm.

Measured through conversion gain in

stop-band, without SAW filters being

connected. Ports terminated with 50

Ω.

–40

dBc

TYPICAL DOWNCONVERTER SPECIFICATIONS WITH TEMPERATURE VARIATION FROM –40

°C TO +85°C

VCC = 2.7 V

SPECIFICATION

TEMPERATURE

UNIT

SPECIFICATION

–40

°C

+25

°C

+85

°C

UNIT

Cellular band downconverter

Conversion Gain Variation

–1

IP3 Variation

–4

Noise Figure Variation

–1.5

1.5

PCS band downconverter

Conversion Gain Variation

–1

IP3 Variation

0.5

–1

Noise Figure Variation

–1.5

0.8

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