CHM1483-QFG
Electrical Characteristics
12-16GHz Direct Quadrature Modulator
Tamb.= +25°C, VD1 = VD2 = VD3 = +4V
Symbol
Parameter
F
RF
RF Frequency range
F
LO
LO Frequency range
F
BB
Baseband input 1dB bandwidth
P
RF
Output Power
(1)
P
LO
LO input power
LO_leak LO leakage
(1) (2)
LO_sup LO cancelation
(1) (3)
IM_rej
Image Rejection
(1)
RL
LO
LO Input Return Loss (@P
LO
=0dBm)
RL
RF
RF Input Return Loss
OIP3
Output IP3
IMD2
2
nd
order intermodulation ratio
N
Noise Floor
Amp_bal I/Q Amplitude balance
Ph_err Quadrature Phase error
V
I_DC
Baseband I DC voltage differential mode
(4)
V
Q_DC
Baseband Q DC voltage differential mode
(4)
V
BBI
Baseband I AC voltage differential mode
(5)
V
BBQ
Baseband Q AC voltage differential mode
(5)
VDx
DC supply voltage
VG
Mixer gate bias voltage
Idq
DC quiescent current
(1)
(2)
Min
12
12
DC
Typ
Max
16
16
1000
-26
0
-30
-70
25
-8
-10
12
40
-150
-1
-7
-0.2
-0.2
-0.8
-0.8
4
-0.7
100
+1
+7
+0.2
+0.2
0.8
0.8
Unit
GHz
GHz
MHz
dBm
dBm
dBm
dBm
dBc
dB
dB
dBm
dBc
dBm/Hz
dB
°
V
V
V
V
V
V
mA
Given for F
BB
= 10MHz and V
BBI
= V
BBQ
= 200mV
pp
(over 50Ω) and P
LO
= 0dBm
LO leakage without cancelation (i.e. no DC tuning: V
I_DC
= V
Q_DC
= 0V)
(3)
LO leakage cancelation (i.e. with DC tuning on V
I_DC
and V
Q_DC
)
(4)
Use to cancel LO leakage. Differential mode means I and Ib voltage are opposite. Tuning
adjustment are need for each frequency, temperature and LO power.
(5)
Peak to Peak Voltage.
These values are representative of onboard measurements as defined on the drawing in
paragraph "Evaluation mother board".
Ref. : DSCHM1483-QFG1346 - 12 Dec 11
2/10
Specifications subject to change without notice
Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
