PUMPED MIXER. HMC258 Datasheet

HMC258 MIXER. Datasheet pdf. Equivalent

Part HMC258
Description GaAs MMIC SUB-HARMONICALLY PUMPED MIXER
Feature v03.1007 HMC258 GaAs MMIC SUB-HARMONICALLY PUMPED MIXER, 14 - 21 GHz Typical Applications Feature.
Manufacture Analog Devices
Datasheet
Download HMC258 Datasheet



HMC258
v03.1007
HMC258
GaAs MMIC SUB-HARMONICALLY
PUMPED MIXER, 14 - 21 GHz
Typical Applications
Features
The HMC258 is ideal for:
Integrated LO Amplifier: 0 dBm Drive
• Microwave Point-to-Point Radios
Sub-Harmonically Pumped (x2) LO
• VSAT
3
• SATCOM
High 2LO/RF Isolation: 40 dB
Die Size: 0.85 x 1.15 x 0.1 mm
OLETE Functional Diagram
General Description
The HMC258 chip is a compact sub-harmonically
pumped (x2) single ended MMIC mixer with an
integrated LO amplifier which can be used as an
upconverter or downconverter. The chip utilizes a
GaAs MESFET technology that results in a small
overall chip area of 0.9mm2. The 2LO to RF isolation
is excellent eliminating the need for additional fil-
tering. The LO amplifier is a single bias (+5V) two
stage design with only 0 dBm drive requirement. A
less stringent oscillator design is made possible by the
low LO drive and sub-harmonic nature of the chip. All
data is with the chip in a 50 ohm test fixture connected
via 0.025 mm (1 mil) diameter wire bonds of minimal
length <0.31 mm (<12 mils).
BS Electrical Specifications, TA = +25° C, LO Drive = 0 dBm
OParameter
IF = 1 GHz
Vdd = +5.0V
Min.
Typ.
Max.
IF = 1 GHz
Vdd = +5.0V
Units
Min.
Typ.
Max.
Frequency Range, RF
14 - 21
17 - 20
GHz
Frequency Range, LO
7 - 10.5
8.5 - 10
GHz
Frequency Range, IF
DC - 3
DC - 3
GHz
Conversion Loss
10
13.5
9.5
12
dB
Noise Figure (SSB)
10
13.5
9.5
12
dB
2LO to RF Isolation
30
40
34
40
dB
2LO to IF Isolation
30
40 ~ 50
38
40 ~ 50
dB
IP3 (Input)
0
7
0
7
dBm
1 dB Compression (Input)
-5
0
-4
1
dBm
Supply Current (Idd)
50
67
50
67
mA
3-8
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HMC258
v03.1007
HMC258
GaAs MMIC SUB-HARMONICALLY
PUMPED MIXER, 14 - 21 GHz
Conversion Gain vs.
Temperature @ LO = 0 dBm
0
Isolation @ LO = 0 dBm
0
-5
-10
-10
-20
2 LO/IF
LO/RF
3
LO/IF
-15
+25 C
-20
-55 C
+85 C
-25
E 13 14 15 16 17 18 19 20 21 22 23
RF FREQUENCY (GHz)
T Conversion Gain vs. LO Drive
0
E +2 dBm
0 dBm
-5
+4 dBm
L -10
-15
-4 dBm
O -20
-2 dBm
-25
13 14 15 16 17 18 19 20 21 22 23
S RF FREQUENCY (GHz)
B IF Bandwidth @ LO = 0 dBm
0
O -5
-30
2 LO/RF
RF/IF
-40
-50
-60
13 14 15 16 17 18 19 20 21 22
RF FREQUENCY (GHz)
Return Loss @ LO = 0 dBm
0
-5
-10
-15
-20
-25
IF
RF
-30
LO
-35
-40
0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (GHz)
Upconverter Performance
Conversion Gain vs. LO Drive
0
-4 dBm
-2 dBm
-5
0 dBm
+2 dBm
23
22
+4 dBm
-10
-10
-15
-15
-20
-20
-25
0
1
2
3
4
5
6
IF FREQUENCY (GHz)
-25
13 14 15 16 17 18 19 20 21 22 23
RF FREQUENCY (GHz)
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