WJ Communications, Inc. • Phone: 1-800-WJ1-4401 • FAX: 408-433-5649 • e-mail: sales@wj.com • Web site: www.wj.com September 2000
SME1900-17
Product PhotoProduct Features
RF 1600 to 2400 MHz
LO 1400 to 2390 MHz
IF 10 to 250 MHz
High 3IIP: +29 dBm (Typical)
LO Drive: +17 dBm
No Internal Solder Connections
Broadband Surface Mount Mixer
Absolute Maximum Ratings
Parameter Rating
Operating Temperature -40 to +70°C
Storage Temperature -65 to +100°C
RF Input Power +23 dBm at +25°C
Ordering Information
Part No. Description
SME1900-17 Mixer (Available in tape and reel)
SME1900-17-PCB Fully Assembled Application Circuit
The Communications Edge
Specifications
Guaranteed
Parameter Units Typical +25°C -40° to +70°C
SSB Conversion Loss (Max)
RF = 1600-2000 MHz, LO = 1400-2000 MHz dB 7.4 8.4 8.9
RF = 1600-2400 MHz, LO = 1400-2390 MHz dB 8.4 9.4 9.9
Port-to-Port Isolation (Min)
L-R = 1600-2000 MHz dB 26 18 19
L-R = 1600-2390 MHz dB 22 15 16
L-I = 1600-2000 MHz dB 30 23 24
L-I = 1600-2390 MHz dB 23 16 17
R-I dB 25
3rd Order Input Intercept Point dBm 29
VSWR
R-Port = 1400-2000 MHz 1.7:1
R-Port = 1400-2390 MHz 1.8:1
L-Port = 1600 MHz 2.4:1
L-Port = 2000 MHz 1.5:1
I-Port 1.8:1
1 dB Conversion Compression dBm +14
1. Measured in a 50-ohm system with nominal LO drive of +17 dBm, low side LO, and downconverter application only, unless otherwise specified.
2. Measured at RF = 1850-1990 MHz, LO = 1610-1750 MHz, IF = 240 MHz, unless otherwise specified.
WJ Communications, Inc. • Phone: 1-800-WJ1-4401 • FAX: 408-433-5649 • e-mail: sales@wj.com • Web site: www.wj.com September 2000
Performance Charts
SME1900-17
26
27
28
29
30
31
32
33
1600 1700 1800 1900 2000 2100
Intercept Point (dBm)
Frequency (MHz)
26
27
28
29
30
31
32
33
1600 1700 1800 1900 2000 2100
Intercept Point (dBm)
Frequency (MHz)
IIP3 vs. Frequency
IIP3 vs. Frequency
2.5
2.3
2.1
1.9
1.7
1.5
1.3
0 60 120 180 240 300 360 420 480 540
VSWR
Frequency (MHz)
2.6
2.2
1.8
1.4
1.0
1500 1700 1900 2100 2300 2500
VSWR
Frequency (MHz)
IF VSWR vs. Frequency
VSWR vs. Frequency
RF
LO LO = 1600 MHz
LO = 2000 MHz
22
24
26
28
30
32
34
36
38
40
1400 1600 1800 2000 2200 2400
Isolation (dB)
Frequency (MHz)
Isolation vs. Frequency
L-R
L-I
R-I
8.0
7.5
7.0
6.5
6.0
-40 -20 0 20 40 60 80
Conversion Loss (dB)
Temperature (
°
C)
7.6
7.4
7.2
7.0
6.8
6.6
1600 1800 2000 2200 2400
Conversion Loss (dB)
Frequency (MHz)
8.2
7.8
7.4
7.0
6.6
46810121416
Conversion Loss (dB)
RF Power (dBm)
Conversion Loss vs. RF Frequency
Conversion Loss vs. RF Power
7.2
7.1
7.0
6.9
6.8
6.7
6.6
15 16 17 18 19
Conversion Loss (dB)
LO Power (dBm)
Conversion Loss vs. LO Power Conversion Loss vs. Temperatur
e
RF = 1910 MHz
LO = 1670 MHz RF = 1850 MHz
LO = 1610 MHz
LO = +16 dBm
LO = +18 dBm LO = +17 dBm LO = +19 dBm
LO = +17 dBm
LO = +15 dBm
IF = 10 MHz IF = 100 MHz
IF = 250 MHz
WJ Communications, Inc. • Phone: 1-800-WJ1-4401 • FAX: 408-433-5649 • e-mail: sales@wj.com • Web site: www.wj.com September 2000
SME1900-17
Single-Tone IM Products
Harmonics of fRF
Harmonics of fLO
012345
0 2127363629
1 26 0 29 24 24 38
2625664586165
3 >80 >80 >80 >80 >80 79
4 >80 >80 >80 >80 >80 >80
5 >80 >80 >80 >80 >80 >80
LO RF LO RF IM Prod
Mult Mult MHz MHz MHz dB
0 1 2150 2200 2200 26
0 2 2150 2200 4400 62
0 3 2150 2200 6600 81
0 4 2150 2200 8800 95
0 5 2150 2200 11000 95
1 0 2150 2200 2150 21
-1 1 2150 2200 50 0
-1 2 2150 1100 50 56
-1 3 2150 734 52 87
-1 4 2150 550 50 95
-1 5 2150 440 50 95
2 0 2150 2200 4300 27
-2 1 2150 4350 50 29
-2 2 2150 2175 50 64
-2 3 2150 1450 50 79
-2 4 2150 1088 52 95
-2 5 2150 870 50 95
3 0 2150 2200 6450 36
-3 1 2150 6500 50 24
-3 2 2150 3250 50 58
-3 3 2150 2167 51 83
-3 4 2150 1625 50 94
-3 5 2150 1300 50 94
4 0 2150 2200 8600 36
-4 1 2150 8650 50 24
-4 2 2150 4325 50 61
-4 3 2150 2884 52 81
-4 4 2150 2163 52 95
-4 5 2150 1730 50 95
5 0 2150 2200 10750 29
-5 1 2150 10800 50 38
-5 2 2150 5400 50 65
-5 3 2150 3600 50 79
-5 4 2150 2700 50 93
-5 5 2150 2160 50 95
Test Conditions RF at -10 dBm; LO at +17 dBm
RF harmonics and intermodulation products are referenced
to a desired signal produced by fLO = 2150 MHz and
fRF = 2200 MHz.
LO harmonics are referenced to the LO drive signal.
WJ Communications, Inc. • Phone: 1-800-WJ1-4401 • FAX: 408-433-5649 • e-mail: sales@wj.com • Web site: www.wj.com September 2000
SME1900-17
Specifications and information are subject to change without notice.
Caution! ESD sensitive device.
Outline Drawing
Land Pattern
Mounting Configuration