
µPC8139GR-7JH
RELATION BETWEEN I/Q PIN INPUT SIGNAL POTENTIAL AND UPPER LIMIT AMPLITUDE
Power Supply Voltage (V)
VCC
I/Q bias voltage (V)
VCC/2 = I = Ib = Q = Qb
Input Amplitude (mVP-P)
Single ended Input
I=Q
Differential Phase Input
I = Ib = Q = Qb
2.7
1.35
≤400
≤600
to
to
3.0
1.5
≤800
≤600
to
to
4.0
2.0
≤1000
≤600
COMPARISON OF I/Q INPUT AMPLITUDES IN THE SAME TX OUTPUT LEVEL
Power Supply Voltage (V)
VCC
I/Q bias voltage (V)
VCC/2 = I = Ib = Q = Qb
Input Amplitude (mVP-P)
Single ended
Input
I=Q
Differential
Phase Input
I = Ib = Q = Qb
Reference Characteristics
TX Total Output Level
(dBm)
PTX-MIXout
2.7
1.35
400
200
–20
3.0
1.5
800
400
–14
4.0
2.0
1200
600
–10.5
Preliminary Data Sheet
11