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PDF HMC557A Data sheet ( Hoja de datos )
| Número de pieza | HMC557A | |
| Descripción | MMIC Fundamental Mixer | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Data Sheet
FEATURES
Conversion loss: 8 dB at RF/LO frequency range =
2.5 GHz to 5.0 GHz
LO to RF isolation: 50 dB at RF/LO frequency range =
2.5 GHz to 5.0 GHz
LO to IF isolation: 35 dB at RF/LO frequency range =
2.5 GHz to 5.0 GHz
Input third-order intercept (IP3): 18 dBm
Input second-order intercept (IP2): 55 dBm
LO port return loss: 8 dBm at RF/LO frequency range =
2.5 GHz to 5.0 GHz
RF port return loss: 10 dBm at RF/LO frequency range =
2.5 GHz to 5.0 GHz
Passive double balanced topology
Wide IF bandwidth: dc to 3 GHz
24-terminal ceramic leadless chip carrier package
APPLICATIONS
WiMAX and fixed wireless
Point to point radios
Point to multipoint radios
Test equipment and sensors
Military end use
GENERAL DESCRIPTION
The HMC557A is a general-purpose, double balanced mixer in
a 24-terminal, ceramic leadless chip carrier, RoHS-compliant
package. The device can be used as an upconverter or down-
converter from 2.5 GHz to 7.0 GHz. This mixer is fabricated in
a gallium arsenide (GaAs) metal semiconductor field effect
transistor (MESFET) process and requires no external
components or matching circuitry.
GaAs, MMIC Fundamental Mixer,
2.5 GHz to 7.0 GHz
HMC557A
FUNCTIONAL BLOCK DIAGRAM
NIC 1
GND 2
LO 3
GND 4
NIC 5
NIC 6
18 NIC
17 GND
16 RF
15 GND
14 NIC
13 NIC
PACKAGE
BASE
GND
NIC = NO INTERNAL CONNECTION.
Figure 1.
The HMC557A provides excellent local oscillator (LO) to radio
frequency (RF) and LO to intermediate frequency (IF) isolation
due to optimized balun structures. The RoHS-compliant
HMC557A eliminates the need for wire bonding and is compatible
with high volume surface-mount manufacturing techniques.
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
NIC 1
GND 2
LO 3
GND 4
NIC 5
NIC 6
HMC557A
TOP VIEW
(Not to Scale)
18 NIC
17 GND
16 RF
15 GND
14 NIC
13 NIC
HMC557A
NOTES
1. NIC = NO INTERNAL CONNECTION.
2. CONNECT THE EXPOSED PAD TO A
LOW IMPEDANCE THERMAL AND
ELECTRICAL GROUND PLANE.
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic Description
1, 5 to 7, 11 to
14, 18 to 24
NIC
No Internal Connection. No connection is required on these pins. These pins are not internally
connected. However, all data is measured with these pins connected to RF/dc ground externally.
2, 4, 8, 10, 15, 17 GND
Ground Connect. Connect these pins and the package bottom to RF/dc ground.
3 LO Local Oscillator Port. This pin is dc-coupled and matched to 50 Ω.
9 IF Intermediate Frequency Port. This pin is dc-coupled. For applications not requiring operation to dc,
block this pin externally using a series capacitor with a value chosen to pass the necessary IF frequency
range. For operation to dc, this pin must not source or sink more than 2 mA of current or device
nonfunctionality or device failure may result.
16 RF Radio Frequency Port. This pin is dc-coupled and matched to 50 Ω.
EPAD
Exposed Pad. Connect the exposed pad to a low impedance thermal and electrical ground plane.
Rev. 0 | Page 5 of 23
5 Page 
Data Sheet
DOWNCONVERTER PERFORMANCE WITH LOWER SIDEBAND (LSB) SELECTED, IF = 100 MHz
0
TA = +85°C
TA = +25°C
TA = –40°C
–4
0 LO = 9dBm
LO = 11dBm
LO = 13dBm
–4 LO = 15dBm
LO = 17dBm
–8 –8
HMC557A
–12 –12
–16 –16
–20
23456789
RF FREQUENCY (GHz)
Figure 29. Conversion Gain vs. RF Frequency at Various Temperatures,
LO Drive = 15 dBm
30
25
20
15
10
5 TA = +85°C
TA = +25°C
0 TA = –40°C
23456789
RF FREQUENCY (GHz)
Figure 30. Input IP3 vs. RF Frequency at Various Temperatures,
LO Drive = 15 dBm
80
TA = +85°C
TA = +25°C
70 TA = –40°C
60
50
40
30
20
10
23456789
RF FREQUENCY (GHz)
Figure 31. Input IP2 vs. RF Frequency at Various Temperatures,
LO Drive = 15 dBm
–20
23456789
RF FREQUENCY (GHz)
Figure 32. Conversion Gain vs. RF Frequency at Various LO Drives
30
25
20
15
10
LO = 9dBm
5
LO = 11dBm
LO = 13dBm
LO = 15dBm
LO = 17dBm
0
23456789
RF FREQUENCY (GHz)
Figure 33. Input IP3 vs. RF Frequency at Various LO Drives
80
70
60
50
40
30
LO = 9dBm
LO = 11dBm
20 LO = 13dBm
LO = 15dBm
10 LO = 17dBm
23456789
RF FREQUENCY (GHz)
Figure 34. Input IP2 vs. RF Frequency at Various LO Drives
Rev. 0 | Page 11 of 23
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet HMC557A.PDF ] | |
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