Data Sheet

April 1999

W3030 3 V Dual-Mode IF Cellular Receiver

Lucent Technologies Inc.

5

Pin Information

Table 1. Pin Descriptions

Pin

Number

Pin Name

Pin Description

1

RSSI

Received Signal Strength Indicator. Provides logarithmic (dB-linear) dc output

voltage.

2

AUDIO

Audio Output. Audio output of FM detector.

3

QUAD

Quad Input. Input to FM detector from parallel LC quad coil.

4

Analog Output. Output of analog section limiting amplifiers; couple to quad coil

and pin 3 (QUAD) with 10 pF capacitor.

5

Analog Signal Ground. Signal ground for analog section limiting amplifier;

connect to ground with 0.1 µF capacitor.

6

Analog Mode Limiter Input. Differential input to analog IF limiting amplifier; to

be directly coupled to dielectric sources such as ceramic filters. Pin 6 is

approximately 1 k

Ω with pin 5 ac-grounded.

7

Analog Mode Limiter Input (Inverting). Differential input to analog IF limiting

amplifier. To be ac-grounded.

8

Second IF Power Supply. Positive power supply connection for both analog

and digital second IF amplifiers and demodulators.

9

Second IF Output. Output of 40 dB second IF amplifier; directly couple to

dielectric loads such as ceramic filters. Includes internal 1 k

Ω termination

resistor.

10

Second IF Signal Ground. Signal ground for 40 dB second IF amplifier;

connect to ground with 0.1 µF capacitor.

11

Second IF Input. Differential input to 40 dB second IF amplifier; to be directly

coupled to dielectric sources such as ceramic filters. Pin 11 is approximately

2 k

Ω with pin 10 ac-grounded.

12

Second IF Input (Inverting). Differential input to 40 dB second IF amplifier. To

be ac-grounded.

13

First IF Mixer Ground. Power supply (dc) ground for first IF mixer section.

14

First IF Mixer Output. Output of first IF mixer/amplifier section; to be directly

coupled to dielectric loads such as ceramic filters. Includes internal 1 k

Ω

termination resistor.

15

First IF Mixer Logical Input (Inverting). Differential input to first IF mixer local

oscillator; to be capacitively coupled to sources with a dc level offset.

16

First IF Mixer Logical Input. Differential input to first IF mixer local oscillator.

To be ac-grounded.

17

First IF Mixer Power Supply. Positive power supply connection for first IF

mixer/amplifier section.

18

First IF Mixer Input (Inverting). Differential input to first IF mixer/amplifier

section; to be ac-coupled to ground or source.

19

First IF Mixer Input. Differential input to first IF mixer/amplifier section.