MGCT04
Preliminary Information
21
15
22
14
28
8
Note:
Corner Pads are connected
to ground
1
7
Figure 2 - Pin Connections - top view
Pin
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
Signal Name
RF DEG2
RF 900B
RF 900
RF GND
CP0
VCO GND
DIV OUT
CP2
VHF OSC IN
VHF OSC BIAS
VCO V
CC
GND
Q IN
Q INB
I IN
I INB
V
CC
UHF V
CC
LO 2GHZ
GND UHF
LO 1GHZ
AGC
CP1
RF V
CC
RF GND
RF 1900B
RF 1900
RF DEG1
Function
Connection to external inductor to control gain of power amplifiers
Inverse output from 900MHz differential output driver
Output from 900MHz differential output driver
Ground to RF circuits
Control pin 0. See tables 2 & 3 for function
Ground for VHF oscillator
Output from VHF oscillator divided by 8
Control pin 2. See tables 2 & 3 for function
Input from external VHF oscillator
Switched bias voltage for external VHF oscillator
Positive supply to VHF oscillator
Ground
Q +input
Q -input
I +input
I -input
Positive supply
Positive supply to UHF LO input buffers
2GHz local oscillator input
Ground to UHF oscillator input buffers
1GHz local oscillator input
Control voltage for IF and RF variable gain amplifiers
Control pin 1. See tables 2 & 3 for function
Positive supply to RF circuits
Ground to RF circuits
Inverse output from 1900MHz differential output driver
Output from 1900MHz differential output driver
Connection to external inductor to control gain of power amplifiers
Table 1 - Pin Assignments
2
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