HMC253ALC4
v00.0413
GaAs MIMIC SP8T NON-REFLECTIVE
SWITCH, DC - 3.5 GHz
Typical Applications
Features
The HMC253ALC4 is ideal for: Ceramic, RoHS Compliant 4x4 mm SMT Package
Basestations & Repeaters Non-Reflective Topology
WiMAX/WiBro & Fixed Wireless Low Insertion Loss: 1.6 dB
Cellular/3G Infrastructure Single Positive Supply: Vdd = +5V
CATV/DBS Integrated 3:8 TTL/CMOS Decoder: 0/+3V
Military & Hi-Rel
Functional Diagram General Description
The HMC253ALC4 is a non-reflective SP8T switch
in a leadless RoHS compliant 4x4 mm ceramic
SMT package featuring wideband operation from
DC to 3.5 GHz. The switch offers a single positive
bias and true TTL/CMOS compatibility enabling it to
operate with 0/+3V control and a +5V supply. A 3:8
decoder is integrated on the switch requiring only
3 control lines and a positive bias to select each
path. The HMC253ALC4 SP8T will replace multiple
configurations of SP4T and SPDT MMIC switches.
Electrical Specifications,
T = +25 C, For TTL Control and Vdd = +5V in a 50 Ohm system
A
Parameter Frequency Min. Typ. Max. Units
DC - 2.0 GHz 1.1 1.5 dB
Insertion Loss DC - 3.0 GHz 1.6 2.0 dB
DC - 3.5 GHz 1.9 2.4 dB
DC - 2.0 GHz 38 43 dB
Isolation DC - 3.0 GHz 34 39 dB
DC - 3.5 GHz 30 35 dB
0.3 - 3.0 GHz 13 dB
Return Loss On State
0.3 - 3.5 GHz 10 dB
0.3 - 3.5 GHz 10 dB
Return Loss (RF1-8) Off State
0.5 - 3.5 GHz 14 dB
Input Power for 1 dB Compression 0.5 - 3.5 GHz 20 24 dBm
Input Third Order Intercept
0.5 - 3.5 GHz 40 43 dBm
(Two-Tone Input Power = +10 dBm Each Tone)
Switching Characteristics 0.3 - 3.5 GHz
tRISE, tFALL (10/90% RF) 30 ns
tON, tOFF (50% CTL to 10/90% RF) 100 ns
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
1
Application Support: Phone: 978-250-3343 or apps@hittite.com
SWITCHES - MULTI-THROW - SMTHMC253ALC4
v00.0413
GaAs MIMIC SP8T NON-REFLECTIVE
SWITCH, DC - 3.5 GHz
Insertion Loss Insertion Loss vs. Temperature
0 0
-0.5
-0.5
-1
-1
-1.5
-1.5
-2
-2
-2.5
-2.5
-3
-3
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
FREQUENCY (GHz)
FREQUENCY (GHz)
RF1 RF4 RF7 +25C +85C -40C
RF2 RF5 RF8
RF3 RF6
Return Loss Isolation
0 0
-10
-5
-20
-10
-30
-15
-40
-20
-50
-25
-60
-30
-70
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
FREQUENCY (GHz)
FREQUENCY (GHz)
RF1 RF4 RF7
RFC RF1-RF8 ON RF1-RF8 OFF
RF2 RF5 RF8
RF3 RF6
Input IP3 Input Compression
55 30
28
50
26
45
24
40
22
35
20
30 18
0 0.5 1 1.5 2 2.5 3 3.5 0 0.5 1 1.5 2 2.5 3 3.5
FREQUENCY (GHz) FREQUENCY (GHz)
RF1 RF4 RF7
1dB COMPRESSION POINT
RF2 RF5 RF8
0.1dB COMPRESSION POINT
RF3 RF6
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
2
Application Support: Phone: 978-250-3343 or apps@hittite.com
IP3 (dBm) RETURN LOSS (dB) INSERTION LOSS (dB)
COMPRESSION (dBm) ISOLATION (dB) INSERTION LOSS (dB)
SWITCHES - MULTI-THROW - SMT