50
137 to 143 MHz
I&Q Demodulator
Plug-In
MIQY-140D
CASE STYLE: C07
PRICE: $22.20 ea. QTY (1-49)
Outline Dimensions ( )
inch
mm
Maximum Ratings
Pin Connections
Features
LO (carrier)
13
RF (signal)
1
I (0)(ref.)
8
Q (90)*
5
ISOLATE**
10,11
GROUND
2,3,4,6,7,9,12,14,15,16
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
LO/RF Power
50mW
I&Q Current
40mA
Outline Drawing
Demodulator Electrical Specifications
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
REV. OR
M97747
MIQY-140D
DJ/VV/CP
060714
MIQY-140D
AMPLITUDE & PHASE UNBALANCE
0.0
0.1
0.2
0.3
0.4
0.5
140.1
141.1
142.1
143.1
144.1
145.1
RF FREQUENCY (MHz)
A
M
P
.
U
N
B
A
L
.
(
d
B
)
89.5
89.7
89.9
90.1
90.3
90.5
P
H
A
S
E
U
N
B
A
L
.
(
d
e
g
)
AMP. UNBAL.
PHASE UNBAL.
at var IF 0.3-5 MHz
MIQY-140D
DC OFFSET
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
137
138
139
140
141
142
143
LO FREQUENCY (MHz)
D
C
O
F
F
S
E
T
(
m
V
)
RF power -5 dBm. LO power +10 dBm
MODEL
NO.
FREQUENCY
(MHz)
CONVERSION
LOSS
(dB)
AMPLITUDE
UNBALANCE
(dB)
PHASE
UNBALANCE
(Deg.)
HARMONIC
SUPPRESSION
(dBc)
RF (SIGNAL/
LO (CARRIER)
I&Q
with reference
to 90
3XI/Q
5XI/Q
fL
fU
Min.
Max.
--
x
Max.
Typ.
Max.
Typ.
Max.
Typ.
Min.
Typ
Min.
MIQY-140D
137
143
DC
5
5.5
0.25
7.0
0.10
0.6
0.5
3.0
47
35
70
50
Applications
Typical Performance Data
Conversion
Loss
(dB)
Frequency
(MHz)
RF
DC
Offset
(mV)
I&Q demodulation block diagram
Note:
1. Operating LO Power: 100.5 dBm
2. 1 dB Compression at +4 dBm RF input
3. DC offset 1mV typ.
4. Conversion Loss=RF power, dBm - (I+Q) power, dBm
I&Q
Amplitude
Unbalance
(dB)
Phase
(I&Q)
(deg.)
Frequency
(MHz)
LO
RF
A
B
C
D
E
F
.770
.
810
.380
.410
.030
.200
19.56
20.57
9.65
10.41
.76
5.08
G
H
wt
.20
.14
grams
5.08
3.56
11.0
140.10
0.30
5.52
0.05
89.79
137.00 137.10
-0.08
140.48
0.66
5.50
0.05
89.81
137.46 137.56
-0.16
140.85
1.03
5.49
0.06
89.93
137.92 138.02
-0.06
140.98
1.15
5.49
0.10
89.99
138.08 138.18
-0.13
141.23
1.38
5.49
0.08
90.09
138.39 138.49
-0.13
141.61
1.75
5.50
0.06
89.96
138.85 138.95
-0.19
141.86
1.99
5.50
0.04
89.97
139.15 139.25
-0.14
141.99
2.11
5.50
0.06
90.00
139.31 139.41
-0.08
142.36
2.47
5.50
0.10
90.17
139.77 139.87
-0.07
142.74
2.83
5.50
0.11
90.19
140.23 140.33
-0.07
142.86
2.96
5.51
0.07
90.04
140.39 140.49
-0.11
143.12
3.19
5.51
0.08
90.14
140.69 140.79
-0.18
143.49
3.56
5.51
0.12
90.22
141.15 141.25
-0.17
143.74
3.79
5.51
0.08
89.94
141.46 141.56
-0.14
143.87
3.92
5.51
0.13
90.00
141.62 141.72
-0.19
144.25
4.27
5.51
0.13
90.07
142.08 142.18
-0.17
144.62
4.64
5.51
0.11
90.12
142.54 142.64
-0.11
144.75
4.75
5.52
0.12
90.07
142.69 142.79
-0.15
144.87
4.88
5.52
0.16
90.04
142.85 142.95
-0.12
145.00
5.00
5.52
0.13
90.11
143.00 143.10
-0.10
good amplitude and phase unbalance
excellent 3rd and 5th harmonic suppression
radar
communication systems
*
Q= I +90 for LO<RF
Q= I -90 for LO>RF
**external variable capacitors can be connected at pins
10&11 to ground for improvement of phase unbalance.
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