18 TO 26 GHz IMAGE REJECTION OR I/Q MIXERS
MODELS: IR1826NI7A, IR1826NI7B, IR1826NI7C AND IR1826NI7Q
FEATURES
• RF/LO coverage ................ 18 to 26 GHz
• IF operation ....................... DC to 0.5 GHz
• LO power range ................ +17 to +19 dBm
• Conversion loss................ 9 dB typical
• Image rejection ................. 25 dB typical
IR1826NI7Q
MITEQ’s IR Series of image rejection mixers is useful for wideband test equipment or in ultra-broadband receivers
requiring rejection of an unwanted sideband of signal or noise following a low-noise front-end amplifier. These mix-
ers are also useful as linear single-sideband upconverters by operating in the reverse mode.
ELECTRICAL SPECIFICATIONS
INPUT PARAMETERS
RF frequency range
RF VSWR (RF = -10 dBm, LO = +17 dBm)
LO frequency range
LO power range
LO VSWR (LO = +17 dBm)
TRANSFER CHARACTERISTICS
Conversion loss (Note 1)
IMAGE REJECTION MIXER PRODUCTS
CONDITION
UNITS
GHz
Ratio
GHz
dBm
Ratio
MIN.
18
TYP.
2:1
MAX.
26
26
+19
18
+17
2.5:1
MIN.
TYP.
9
12
9.5
18
20
25
25
15
+7
+17
±1
±10
MIN.
20
40
100
DC
1.5:1
TYP.
CONDITION
RF > LO
IR1826NI7Q
RF < LO
UNITS
dB
dB
dB
dB
dB
dB
MAX.
10.5
13.5
Single-sideband noise figure
Image rejection (Note 1)
LO-to-RF isolation
LO-to-IF isolation
Input power at 1 dB compression
Input two-tone third-order intercept point
Amplitude balance
Phase balance
OUTPUT PARAMETERS
IF frequency (image rejection mode)
LO = +17 dBm
LO = +17 dBm
IR1826NI7Q
IR1826NI7Q
CONDITION
IR1826NI7A
IR1826NI7B
IR1826NI7C
IR1826NI7Q
dBm
dBm
dB
Degrees
UNITS
MHz
MHz
MHz
MHz
Ratio
±1.5
±15
MAX.
40
80
200
500
IF frequency (QIFM, I/Q demodulator mode)
IF VSWR (IF = -10 dBm, LO = +17 dBm)
100 Davids Drive, Hauppauge, NY 11788 • TEL: (631) 436-7400 • FAX: (631) 436-7430 •
www.miteq.com
IR1826NI7C TYPICAL TEST DATA
VSWR
(LO = +17 dBm)
0
5:1
IMAGE REJECTION
(LO = +17 dBm, IF = 150 MHz)
IMAGE REJECTION (dB)
24.4
26
10
20
30
40
50
VSWR (RATIO)
4:1
3:1
2:1
1:1
18
RF
LO
19.6
21.2
22.8
FREQUENCY (GHz)
18
19.6
21.2
22.8
FREQUENCY (GHz)
LO-TO-RF ISOLATION
(LO = +17 dBm)
24.4
26
CONVERSION LOSS
(IF = 150 MHz, LO = +17 dBm)
0
0
20
CONVERSION LOSS (dB)
4
ISOLATION (dB)
19.6
21.2
22.8
FREQUENCY (GHz)
24.4
26
8
12
16
20
18
40
60
80
100
18
19.6
21.2
22.8
FREQUENCY (GHz)
24.4
26
MAXIMUM RATINGS
Specification temperature .................. +25°C
Operating temperature ........................ -54 to +85°C
Storage temperature .......................... -65 to +125°C
GENERAL NOTE
1. Standard catalog unit aligned and tested for guaranteed
RF > LO performance. RF < LO guaranteed performance
is available, please contact MITEQ.
NOTE:
Test data supplied at 25°C; conversion loss, LO-to-RF isolation,
image rejection (IF Options A, B and C), phase and amplitude balance (IF Option Q).
OUTLINE DRAWINGS
IR1826NI7A, B and C
0.685
[17.399]
LO
SMA OR K
FEMALE
RF SMA OR
K FEMALE
IF
0.750
[19.05]
IF SMA FEMALE
0.583
[14.808]
IMAGE REJECTION MIXER PRODUCTS
IR1826NI7Q
FINISH: GOLD
IF 1
.160 [4.064]
.560 [14.224]
.240 [6.096]
.390 [9.906]
.042 [1.067]
.260 .163 [4.140]
.357
.520 [9.068] [6.60]
[13.208]
RF
TYPE 2.9 MM
FIELD REPLACEABLE FEMALE
CONNECTOR (TYP. 2 PLACES)
0.102 [2.591]
0.375 [9.525]
0.082 [2.083]
2-56 0.125 [3.175]
DEEP MIN. TYP.
(2 PLACES)
0.375 [9.525]
TYP. (2 PLACES)
RF
.436 [11.074]
LO
2X #0-80 X .100 [2.54] DP
LO
0.667
[16.942]
0.585
[14.859]
0.082 [2.083]
0.312 [7.925] TYP. (2 PLACES)
0.102 [2.591]
.055 [1.397]
.450 [11.43]
.280
[7.112]
.067 [1.702] DIA. THRU
MOUNTING HOLES (4 PLACES)
IF 2 TYPE SMA FIELD REPLACEABLE
FEMALE CONNECTOR (2 PLACES)
.100 [2.54]
0.483 [12.268]
FINISH: IRRIDITE
.290 [7.366]
.195 [4.953]
4X
.380 [9.652]
0.325 [8.255] TYP. (2 PLACES)
OPTIONAL SPACER PLATE
IMAGE REJECTION
QIFM, I/Q DEMODULATOR
NOTE: All dimensions shown in brackets [ ] are in millimeters.
100 Davids Drive, Hauppauge, NY 11788 • TEL: (631) 436-7400 • FAX: (631) 436-7430 •
www.miteq.com
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