Document
HMC387MS8 / 387MS8E
v02.0705
HIGH IP3 GaAs MMIC MIXER, 450 - 500 MHz
MIXERS - HIGH IP3 - SMT
9
9 - 222
Typical Applications
Features
High Dynamic Range Infrastructure:
Input IP3: +32 dBm
• GSM 450 & GSM 480
Conversion Loss: 9.5 dB
• CDMA 450
Low External Part Count
• Private Land Mobile Radio
Ultra Small MSOP8 Package: 14.8 mm2
Included in the HMC-DK003 Designer’s Kit
Functional Diagram
General Description
E The HMC387MS8 & HMC387MS8E are high dynamic
range passive MMIC mixers in plastic surface mount
T 8 lead Mini Small Outline Packages (MSOP) covering
450 to 500 MHz. Excellent input IP3 performance of +32 dBm for down conversion and +29 dBm for
E up conversion is provided for both GSM/CDMA
based cellular and Private Land Mobile Radio applications at an LO drive of +17 dBm. The mixer also has excellent performance with as little as
L+13 dBm LO drive yielding a +30 dBm input IP3.
With a 1 dB compression of +22 dBm, the RF port will accept a wide range of input signal levels.
OConversion loss is 9.5 dB typical. The DC to 150 MHz IF frequency response will satisfy many cellular transmit or receive frequency plans. The HMC387MS8(E) input IP3 performance coupled with
S its high P1dB rivals traditional active FET mixers while offering a much smaller 14.8mm2 standard IC footprint and no DC bias.
B Electrical Specifications, TA = +25°C, LO = +17 dBm, IF = 70 MHz [1]
O Frequency Range, RF
Parameter
Min.
Typ.
Max.
450 - 500
Units MHz
Frequency Range, LO [2]
300 - 500
MHz
Frequency Range, IF
DC - 150
MHz
Conversion Loss
9.5
11
dB
Noise Figure (SSB)
9.5
11
dB
LO to RF Isolation
17
20
dB
LO to IF Isolation
20
23
dB
IP3 (Input)
29
32
dBm
1 dB Gain Compression (Input)
19
22
dBm
LO Input Drive Level (Typical)
+13 to +19
dBm
[1] Unless otherwise noted, all measurements performed as a downconverter with low side LO & IF = 70 MHz [2] LO Frequency optimized. See application circuit herein.
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MIXERS - HIGH IP3 - SMT
v02.0705
HMC387MS8 / 387MS8E
HIGH IP3 GaAs MMIC MIXER, 450 - 500 MHz
Conversion Gain vs. Temperature @ LO = +17 dBm
0
Isolation @ LO = +17 dBm
0
ISOLATION (dB)
CONVERSION GAIN (dB)
-10 -5
-20
-10
-15
+25 C +85 C
-40 C
-20
E 0.4
0.45
0.5
0.55
0.6
RF FREQUENCY (GHz)
T Conversion Gain vs. LO Drive
0
E -5
CONVERSION GAIN (dB)
L -10
RETURN LOSS (dB)
LO= +13dBm
-15
LO=+ 15dBm
LO= +17dBm
O LO= +19dBm
-20
0.4
0.45
0.5
0.55
0.6
S RF FREQUENCY (GHz)
B IF Bandwidth @ LO = +17 dBm 0
O -5
CONVERSION GAIN RETURN LOSS
-30
-40
-50 0.4
RF TO IF LO TO RF LO TO IF
0.45
0.5
0.55
FREQUENCY (GHz)
Return Loss @ LO = +17 dBm
0
-5
-10
-15
-20 0.3
0.35
LO RF
0.4
0.45
0.5
0.55
RF FREQUENCY (GHz)
Upconverter Conversion Gain vs. LO Drive
0
-5
0.6 0.6
9
CONVERSION GAIN (dB)
RESPONSE (dB)
-10
-15
-20 50
100
150
200
250
300
350
IF FREQUENCY (MHz)
-10
-15
-20 0.45
LO = +13 dBm LO = +15 dBm LO = +17 dBm LO = +19 dBm
0.5
0.55
0.6
RF FREQUENCY (GHz)
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9 - 223
v02.0705
HMC387MS8 / 387MS8E
HIGH IP3 GaAs MMIC MIXER, 450 - 500 MHz
Input IP3 vs. Temperature IF = 70 MHz, LO = +17 dBm
40
Input IP3 vs. LO Drive IF = 70 MHz
40
35
35
INPUT IP3 (dBm)
INPUT IP3 (dBm)
MIXERS - HIGH IP3 - SMT
9
30
25
+25 C +85 C
-40 C
20
E 0.4
0.45
0.5
0.55
0.6
RF FREQUENCY (GHz)
T Input IP3 vs. LO Drive
IF = 97 MHz
40
E 35
INPUT IP3 (dBm)
L 30
INPUT IP3 (dBm)
LO= +13.