26 TO 40 GHz IMAGE REJECTION OR I/Q MIXERS
MODELS: IR2640LC2A, IR2640LC2B, IR2640LC2C AND IR2640LC2Q
FEATURES
• RF/LO Coverage ............ 26 to 40 GHz
• IF Operation .................. DC to 0.5 GHz
• LO Power Range ............ +10 to +13 dBm
• Conversion Loss ............. 10 dB Typical
• Image Rejection ............. 20 dB Typical
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 ampli-
fier. These mixers are also useful as linear single-sideband upconverters by operating in the reverse mode.
Higher RF input power versions are available with proportional increases in LO power. Greater image rejec-
tion is also available in selected bandwidths, including the IRE series for the 2 to 8 and 6 to 18 GHz bands.
ELECTRICAL SPECIFICATIONS
INPUT PARAMETERS
RF frequency range
RF VSWR (RF = -10 dBm, LO = +13 dBm)
LO frequency range
LO power range
LO VSWR (RF = -10 dBm, LO = +13 dBm)
TRANSFER CHARACTERISTICS
Conversion loss (Notes 1 and 2)
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
OUTPUT PARAMETERS
IF frequency (image rejection mode)
LO = +13 dBm
LO = +13 dBm
CONDITION
IR2640LC2A
IR2640LC2B
IR2640LC2C
IR2640LC2Q
RF < LO
CONDITION
RF > LO
CONDITION
UNITS
GHz
Ratio
GHz
dBm
Ratio
UNITS
dB
dB
dB
dB
dB
dBm
dBm
UNITS
MHz
MHz
MHz
MHz
Ratio
MIN.
20
40
100
DC
1.5:1
15
15
MIN.
26
+10
2.5:1
TYP.
10
13.5
20
20
15
+4
+14
TYP.
MAX.
40
80
200
500
MAX.
12.5
MIN.
26
2:1
40
+13
TYP.
MAX.
40
IF frequency (QIFM, I/Q demodulator mode)
IF VSWR (RF = -10 dBm, LO = +13 dBm)
35
IR2640LC2C TYPICAL DATA
VSWR
(LO = +13 dBm)
0
IMAGE REJECTION (dB)
5:1
VSWR (RATIO)
4:1
3:1
2:1
1:1
26.4
RF
IMAGE REJECTION
(LO = +13 dBm)
10
20
30
40
50
26.4
LO
29.12
31.84
34.56
FREQUENCY (GHz)
37.28
40
29.12
31.84
34.56
FREQUENCY (GHz)
37.28
40
CONVERSION LOSS
(IF = 100 MHz, LO = +13 dBm)
0
CONVERSION LOSS (dB)
4
ISOLATION (dB)
8
12
16
20
26.4
0
20
40
60
80
100
26.4
ISOLATION (LO TO RF)
(LO = +13 dBm)
29.12
31.84
34.56
FREQUENCY (GHz)
37.28
40
29.12
31.84
34.56
FREQUENCY (GHz)
37.28
40
MAXIMUM RATINGS
Specifications taken at .......................... +25°C
Operating temperature .......................... -54 to +85°C
Storage temperature ............................ -65 to +125°C
AVAILABLE OPTIONS
High dynamic range operation
Integrated IF amplifier available
GENERAL NOTES
1. Standard catalog unit aligned and tested for
guaranteed RF > LO performance. RF < LO
guaranteed performance is available, please
contact MITEQ.
2. Add 3 dB to conversion loss for Q option
(DC to 500 MHz, I/Q outputs).
3. Guaranteed at midband RF/LO.
OUTLINE DRAWINGS
IR2640LC2A, B and C
2.0
.075
.50
RF
IN
M/N XXXXXX
S/N XXXXXX
IR2640LC2Q
2.0
.075
1.85
LO
IN
M/N XXXXXX
S/N XXXXXX
1.85
RF < LO
.25
.50
.75
1.0
I
.25
.75
1.0
IF
OUT
RF > LO
LO
IN
RF
IN
Q
.100 DIA. MTG. HOLE
(TYP. 2 PLACES)
.50
TYPE K FIELD REPLACEABLE
FEMALE CONNECTOR
(TYP. 2 PLACES)
.063
.375
.25
.100 DIA. MTG. HOLE
(TYP. 2 PLACES)
.50
TYPE K FIELD REPLACEABLE
FEMALE CONNECTOR
(TYP. 2 PLACES)
.063
.375
.25
NOTE:
1. TERM UNUSED IF
PORT INTO 50 OHMS.
TYPE SMA FIELD REPLACEABLE
FEMALE CONNECTOR
(TYP. 2 PLACES)
NOTE:
1. TERM UNUSED IF
PORT INTO 50 OHMS.
TYPE SMA FIELD REPLACEABLE
FEMALE CONNECTOR
(TYP. 2 PLACES)
IMAGE REJECTION
QIFM, I/Q DEMODULATOR
36
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