2 TO 18 GHz TRIPLE-BALANCED MIXER
MODELS: TB0218LW2, TB0218LA1
FEATURES
• RF/LO coverage ......... 2 to 22 GHz
• IF operation ............... 0.5 to 10 GHz
• High LO-to-RF isolation
• Low RF/LO VSWR
• High 1 dB compression point
• Removable SMA connectors
MITEQ’s triple-balanced TB0218L mixer series utilizes a dual-quad circuit to provide performance in overlap-
ping RF and IF frequency ranges. In addition to extremely broadband operation, custom-processed diodes
allow for minimal variation in conversion loss, extremely high third-order intercept and 1 dB compression
points versus input LO power range. Options for various drive level diodes provide numerous combinations of
intercept point and LO level.
ELECTRICAL SPECIFICATIONS
INPUT PARAMETERS
RF frequency range
RF VSWR (RF = -10 dBm, LO = +10 dBm)
LO frequency range
LO power range
LO VSWR (LO = +10 dBm)
TRANSFER CHARACTERISTICS
Conversion loss (IF = 1000 MHz, LO = +10 dBm)
Single-sideband noise figure
Isolation – LO-to-RF
Isolation – LO-to-IF
Isolation – RF-to-IF
Input power at 1 dB compression
Input two-tone third-order intercept point
OUTPUT PARAMETERS
IF frequency range
IF VSWR (IF = -10 dBm, LO = +10 dBm)
2 to 18 GHz
CONDITION
2 to 18 GHz
2 to 22 GHz
2 to 18 GHz
2 to 18 GHz
2 to 18 GHz
2 to 18 GHz
LO = +10 dBm
LO = +10 dBm
CONDITION
3 dB bandwidth
2 to 18 GHz
CONDITION
UNITS
GHz
Ratio
GHz
dBm
Ratio
UNITS
dB
dB
dB
dB
dB
dBm
dBm
UNITS
GHz
Ratio
3
13
MIN.
0.5
2:1
15
TYP.
MAX.
8
20
25
20
20
MIN.
2
+10
+13
2.5:1
TYP.
7.5
MAX.
9.5
11
10
MIN.
2
2.5:1
18
+15
TYP.
MAX.
18
55
TB0218LW2/A1 TYPICAL TEST DATA
VSWR
(LO = +10 dBm)
6:1
5:1
VSWR (RATIO)
ISOLATION (dB)
4:1
3:1
2:1
1:1
LO
ISOLATION
0
10
20
30
40
60
0
4
8
12
FREQUENCY (GHz)
16
20
LO TO IF
LO TO RF
RF
0
4
8
12
FREQUENCY (GHz)
16
20
CONVERSION LOSS (IF = 1000 MHz)
RELATIVE IF RESPONSE
0
CONVERSION LOSS (dB)
4
8
12
16
20
IF RESPONSE
SINGLE-TONE (m) RF x (n) LO RELATIVE SPUR LEVEL (dBc)
TO REF (RF = -10 dBm, LO = +13 dBm)
0
5
> 85
80
58
46
REF
1
> 85
> 85
63
52
26
2
> 85
80
59
46
12
3
> 85
> 85
70
56
33
4
> 85
> 85
63
47
22
5
RF HARMONIC (m)
2
IF RESPONSE (dB)
4
6
8
10
4
3
2
1
CONVERSION LOSS
LO HARMONIC (n)
0
0
RF FREQUENCY (GHz)
IF FREQUENCY (GHz)
20
10
MAXIMUM RATINGS
Specifications taken at .......................... +25°C
Operating temperature .......................... -54 to +85°C
Storage temperature ............................ -65 to +125°C
AVAILABLE OPTION
Low/high dynamic range option
H (LO = +20 dBm), (IP
3
= +25 dBm typ.)
OUTLINE DRAWINGS
W2 HOUSING
.800
.200
.310
A1 HOUSING
.960
.480
.240
OPTIONAL
SPACER PLATE
.295
.590
L
I
R
.450
.200
.070
.070 DIA. THRU MTG.
HOLES (4 PLACES)
.090
.205
L
I
R
2-56 X .10 DEEP MTG. HOLES
(2 PLACES)
.960
.145
.510
TYPE SMA FIELD REPLACEABLE
FEMALE CONNECTOR (TYP. 3 PLACES)
.330
.524
.660
.250
.387
.068
.098 DIA. THRU
.280
.380
TYP.
.185
OPTIONAL SPACER PLATE
.400
.287
TYPE SMA FIELD
REPLACEABLE FEMALE
.068
CONNECTOR
(TYP. 3 PLACES)
.537
.824
PRODUCT
LABEL AREA
56
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