The JUPITER circuit is designed for use in dual band and dual

mode mobile phones (CDMA/AMPS) and meets the requirements

for IS-95 when used with other chips from Mitel that form the

Planet chipset. JUPITER is an active filter incorporating circuits

for receiving both CDMA and FM (AMPS).

FEATURES

Sleep Mode

Dynamic Range

I/Q Matching for the Filter

JUPITER

CDMA and FM (AMPS) I/Q Filter

Preliminary Information

DS4724 - 3.1 May 1998

ABSOLUTE MAXIMUM RATINGS

Junction temperature

Maximum input voltage at all pins

ORDERING INFORMATION

JUPITER-1/KG/NP1S

2

0·7V to 15·3V

2

30

°C to170°C

2

40

°C to 1150°C

2

30

°C to 1125°C

2

0·6V (Min.)

2

ESD PROTECTION

All pins are protected against electrostatic discharge to both

supplies. At least 2kV protection is provided to MIL-STD-883D

Method 3015.7 (human body model).

Fig. 1 Pin connections - top view

NP28

Q_OC_TEST

Q_OC_TESTB

QIN

QINB

Q_OFFSET

Q_OFFSETB

RTUNE

ITUNE

QTUNE

QBAL

QOUT

QOUTB

I_OC_TEST

I_OC_TESTB

IIN

IINB

I_OFFSET

I_OFFSETB

MODE_CDMA

ENABLE

ENTEST

IOUT

IOUTB

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

JUPITER

Fig. 2 Simplified block diagram

GAIN

CONTROL

MODE

CONTROL

IIN

QIN

IOUT

QOUT

MODE

SELECT

INPUTS

TUNE

CONTROLS

FILTER

CONTROL

QBAL

I CHANNEL

Q CHANNEL