
S
9
9 - 160
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC284MS8G
/
284MS8GE
SPDT NON-REFLECTIVE
SWITCH, DC - 3.5 GHz
v06.0607
General Description
Features
Functional Diagram
High Isolation: >45 dB
Positive control: 0/+5V
Non-Reflective Design
Ultra Small Pakcage: MSOP8G
Indluded in the HMC-DK005 Designers’ Kit
Electrical Specifications,
T
A
= +25° C, Vctl = 0/+5 Vdc, 50 Ohm System
Typical Applications
The HMC284MS8G / HMC284MS8GE is ideal for:
Cellular/PCS Base Stations
2.4 GHz ISM
3.5 GHz Wireless Local Loop
The HMC284MS8G & HMC284MS8GE are low-cost
SPDT switches in 8-lead grounded base MSOP pack-
ages. The design has been optimized to provide high
isolation with minimal insertion loss for medium and
low power applications. On-chip circuitry allows posi-
tive voltage control operation at very low DC currents
with control inputs compatible with CMOS and most
TTL logic families. In the “OFF” state, RF1 and RF2
are non-reflective. See reflective high isolation SPDT
version, HMC194MS8.
Parameter
Frequency
Min.
Typ.
Max.
Units
Insertion Loss
DC - 2.0 GHz
DC - 3.0 GHz
DC - 3.5 GHz
0.5
0.6
0.7
0.8
0.9
1.1
dB
dB
dB
Isolation
RF1 & RF2
RF1 / RF2
RF1 / RF2
RF1 & RF2
DC - 2.0 GHz
DC - 2.5 GHz
DC - 3.0 GHz
DC - 3.5 GHz
41
38/41
34/36
30
45
41/45
37/39
33
dB
dB
dB
dB
Return Loss (On State)
DC - 2.0 GHz
DC - 2.5 GHz
DC - 3.5 GHz
21
13
10
25
17
12
dB
dB
dB
Return Loss (Off State)
0.5 - 3.5 GHz
10
13
dB
Input Power for 1 dB Compression
0.5 - 1.0 GHz
0.5 - 3.5 GHz
20
18
25
24
dBm
dBm
Input Third Order Intercept
(Two-Tone Input Powew = 0 dBm Each Tone)
0.5 - 3.5 GHz
43
48
dBm
Switching Speed
DC - 3.5 GHz
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
40
60
ns
ns