
Preliminary Information
MGCT04
3
Absolute Maximum Ratings
Supply voltage (V
Control input voltage
Storage temperature, T
CC
)
4V
-0.6V to V
-55
C to +125
C
CC
+ 0.6V
STG
Operating temperature
Max Junction Temperature (T
-40
C to 100
C
J
)
150
C
Electrical Characteristics
Test conditions (unless otherwise stated): Tamb = -30
°
C to +70
°
C, V
(both bands), I, Q input = 1.4 volts p.p, test frequency = 849MHz (900 output) and 1910MHz (1900
output).These characteristics are guaranteed by either production test or design. They apply within the
speci
fi
ed ambient temperature and supply voltage ranges unless otherwise stated.
CC
= 2
·
7V to 3
·
6V. UHF LO level = -15dBm
Characteristics
Value
Units
Conditions
Min.
Typ.
Max.
Supply current
Sleep current
Standby mode
Standby Mode - Prescaler
disabled
Total supply current
Standby to operating mode
switching time
Logic inputs
Logic high voltage
Logic low voltage
V
CC
-0.6
0
8
4
118
75
10
160
10
V
0
·
8
CC
μA
mA
mA
mA
μs
V
V
All circuits off
See Tables 4 and 5
Pin 7 connected to V
CC
Maximum power PCS mode
Table 2 - DC Characteristics
Characteristics
Value
Units
Conditions
Min.
Typ.
Max.
I and Q modulator
I and Q input voltage level
1.0
1.4
2.0
Vpp
Differential
I and Q common mode voltage
1.2
V
I and Q differential input
resistance
13.5
k
I and Q input bandwidth
2.5
MHz
IF Vector offset
25
dB
Pout = +8dBm
SSB rejection
30
dB
Pout = + 8dBm
VHF oscillator input and divider
Input drive level
22
40
70
mVrms
From external VHF osc. via
matching network
VHF oscillator bias voltage
1.2
V
Output level from prescaler
400
mVpp
6pF load
Prescaler divide ratio
8
Drive output for synthesiser
Table 3 - AC Characteristics