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W3030

3 V Dual-Mode IF Cellular Receiver

Agere -> LSI Corporation 

Data Sheet

April 1999

W3030 3 V Dual-Mode IF Cellular Receiver

Electrical Specifications (continued)

Table 5. First IF Mixer/Amplifier Section

IF deviation = ≤0.5 MHz.

Parameter

Voltage Gain (with input matching network from 50 Ω source)

Power Gain

Gain Flatness within IF Deviation

Noise Figure at IF Input (SSB)

1 dB Compression Point at Input to Matching Network

IP3 at First IF Matching Network Input

IF Input Impedance @ 82 MHz

LO Input Impedance @ 82 MHz

IF Output Impedance

LO Suppression at IF Input (relative to LO input level)

Min

Typ

Max

—

30

—

—

17

—

—

±0.2

—

—

14

—

—

–27

—

—

–17

—

— 1.7 II 1.8 —

—

4 II 1.5

—

—

1.0

—

—

40

—

Unit

dB

dB

dB

dB

dBm

dBm

kΩ II pF

kΩ II pF

kΩ

dB

Table 6. Analog Second IF Amplifier, Limiter, RSSI, FM Detector Section

Filter ZIN = ZOUT = 1.0 kΩ; 6 dB attenuation between 40 dB amplifier output and 60 dB limiting amplifier input;

1 kHz FM at 8 kHz deviation; IF filter bandwidth = 28 kHz. Quad tank Q = 10.

Parameter

IF Gain (net) IF2IN to Audio

RSSI Range of Input Signal

RSSI Output Voltage with –20 dBm/50 Ω into IF1IN

RSSI Output Voltage with –110 dBm/50 Ω into IF1IN

RSSI Linearity over –100 dBm to –35 dBm into IF1IN

RSSI Transfer Function

RSSI Current Capability

IF Input Impedance (40 dB amplifier)

IF Output Impedance (40 dB amplifier)

IF Input Impedance (60 dB limiter)

IF Output Impedance (60 dB limiter)

IP3 of 40 dB Amplifier Section (at its output)

FM Detector Input Impedance (quad, pin 3)

Audio Output Impedance

Audio Output Amplitude (IF1IN = –35 dBm)

Audio SINAD for IF1IN = –35 dBm (C-message weighting filter)

Min Typ Max Unit

—

86

—

dB

65

90

—

dB

1.75 2.1 2.6

V

0.4 0.7 0.92

V

— ±0.8 ±2.5

dB

13

17

25 mV/dB

—

100

—

µA

—

2

—

kΩ

—

1

—

kΩ

—

1

—

kΩ

—

1

—

kΩ

—

3

—

dBm

—

40

—

kΩ

—

500

—

Ω

150 220 270 mVrms

32

—

—

dB

Lucent Technologies Inc.

9

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