MB54609 Datasheet, PDF (15/23 Pages) Fujitsu Component Limited. – Quadrature Modulator IC (With 1.0 GHz Up-converter)

MB54609
s 1.5-GHz PDC APPLICATION MEASUREMENT DATA (Reference Values)
• Measurement result
Parameter
Baseband input signal
Shifter input signal LO1
Mixer input signal LO2
Mixer output signal RFout
Return loss
Modulation precision
Carrier suppression
Symbol
fBB
VBB
fLO1
PLO1
fLO2
PLO2
fRF
PRF
RLLO1
RLLO2
RLRF
AERR
PERR
VERR
CS
Measure-
ment
result
42
1.0
356
–5
1619
–5
1441
–13.4
–18
–6
–14
1.6
0.90
2.2
–39.0
Unit
Condition
Test
circuit
kbps π/4 DQPSK, Root-Nyquist filter (α = 0.5) —
Vpp Single-end input
—
MHz
—
—
dBm
—
—
MHz
—
—
dBm
—
—
MHz fRF = fLO2 + fLO1/2
—
dBm SSB value
1
dB fLO1 = 356 MHz
dB fLO2 = 1619 MHz
3
dB fRF = 1441 MHz
% RMS magnitude error
deg. RMS phase error
2
% RMS vector error
dBc
—
2
• External circuit constants (with the IC mounted on the evaluation board)
V CC
V CC
0.1 µ
1.8 n
V CC
RFout
1.5 p
1 RFout
PS 20
Operation
Power save mode
2 GND
LO2
100 p
3 LO2
4 GND
from A
5 XIF
510 p
GND 19
Q 18
XQ 17
XQMOD 16
MB54609
+–
100 µ
1k
1k
+ _{100 µ}
–
to A
Q
offset
offset
from B
6 IF
510 p
LO1
7 LO1
51 _{1000 p}
1000 p
8 XLO1
9 GND
QMOD 15
to B
1k
XI 14
+ _{100 µ}
– _1k
I 13
GND 12
100 µ
+–
offset
offset
I
GND
V CC
0.1 µ
10 V CC
V CC 11
V CC
0.1 µ
(Continued)
15