MGCT03

2

Pin

Signal Name

Function

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

CP2

AGC

RF DEG1

RF DEG2

RF GND

RF 1900

RF1900

RF 900

RF 900

VCO GND

VHF OSC BIAS

VHF OSC IN

NC

GND

Q IN

Q IN

GND

I IN

I IN

LO 2GHZ

GND UHF

LO 1GHZ

CP1

CP0

Control pin 2. See Tables 4 and 5 for function

Control voltage for IF and RF variable gain amplifiers

Connection to external inductor to control gain of power amplifiers

Connection to external inductor to control gain of power amplifiers

Ground connection to RF circuits

Inverse output from 1900MHz differential output driver

Output from 1900MHz differential output driver

Inverse output from 900MHz differential output driver

Output from 900MHz differential output driver

Ground connection for VHF oscillator

Switched bias voltage for external VHF oscillator

Input from external VHF oscillator

Positive supply to VHF oscillator

Not used

Ground connection

Q input

Q input

Ground connection

I input

I input

Positive supply connection

Positive supply to UHF oscillator input buffers

2GHz local oscillator input

Ground connection to UHF oscillator input buffers

1GHz local oscillator input

Positive supply connection to RF circuits

Control pin 1. See Tables 4 and 5 for function

Control pin 0. See Tables 4 and 5 for function

Table 1 - Pin Assignments

CP2

AGC

RF DEG1

RF DEG2

RF GND

RF 1900

RF 1900

RF 900

RF 900

VCO GND

VHF OSC BIAS

VHF OSC IN

NC

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

CP0

CP1

LO 1GHz

UHF GND

LO 2GHz

I IN

I IN

GND

Q IN

Q IN

GND

MGCT03

QSOP28

Figure 2 - Pin Connections - top view