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For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
SWITCHES - SMT
14
HMC231G7
GaAs MMIC SMT HIGH ISOLATION
SPST SWITCH, DC - 6.0 GHz
v00.0803
General Description
Features
Functional Diagram
The HMC231G7 is a broadband high isolation
non-refl ective GaAs MESFET SPST switch in a
hermetic surface mount package. Covering DC
to 6.0 GHz, the switch features >55 dB isolation
up to 2 GHz and >42 dB isolation up to 6.0 GHz.
The switch operates using complementary
negative control voltage logic lines of -5/0V and
requires no bias supply. When the "OFF" state is
selected, both RF1 and RF2 ports are terminated
in 50 Ohms.
Isolation: 55 dB @ 2.0 GHz
42 dB @ 6.0 GHz
Insertion Loss: 2.0 dB Typical @ 6.0 GHz
Non-Refl ective Input/Output
Hermetic Surface Mount Package
Electrical Specifi cations,
T
A
= +25° C, With 0/-5V Control, 50 Ohm System
Typical Applications
The HMC231G7 is ideal for:
· Telecom Infrastructure
· Microwave Radio & VSAT
· Military Radios, Radar & ECM
· Space Systems
· Test Instrumentation
Parameter
Frequency
Min.
Typ.
Max.
Units
Insertion Loss
DC - 2.0 GHz
DC - 4.0 GHz
DC - 6.0 GHz
1.3
1.4
2.0
1.6
1.7
2.4
dB
dB
dB
Isolation
DC - 2.0 GHz
DC - 4.0 GHz
DC - 6.0 GHz
50
43
37
55
48
42
dB
dB
dB
Return Loss
"On State"
DC - 2.0 GHz
DC - 4.0 GHz
DC - 6.0 GHz
17
15
12
dB
dB
dB
Return Loss
"Off State"
DC - 2.0 GHz
DC - 4.0 GHz
DC - 6.0 GHz
15
13
12
dB
dB
dB
Input Power for 1 dB Compression
0.5 - 6.0 GHz
23
27
dBm
Input Third Order Intercept
(Two-Tone Input Power= +7 dBm Each Tone, 1 MHz Tone Separation)
0.5 - 6.0 GHz
49
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 6.0 GHz
3
6
ns
ns
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For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
14
SWITCHES - SMT
GaAs MMIC SUB-HARMONICALLY PUMPED MIXER 17 - 25 GHz
Input Third Order Intercept Point
Return Loss
0.1 and 1 dB Input Compression Point
Insertion Loss
Isolation
HMC231G7
GaAs MMIC SMT HIGH ISOLATION
SPST SWITCH, DC - 6.0 GHz
v00.0803
-5
-4
-3
-2
-1
0
0
1
2
3
4
5
6
7
+25 C
+85 C
-40 C
INSERTION LOSS (dB)
FREQUENCY (GHz)
-80
-70
-60
-50
-40
-30
-20
-10
0
0
1
2
3
4
5
6
7
ISOLATION (dB)
FREQUENCY (GHz)
-25
-20
-15
-10
-5
0
0
1
2
3
4
5
6
7
RF1 ON
RF1 OFF
RF2 ON
RF2 OFF
RETURN LOSS (dB)
FREQUENCY (GHz)
15
20
25
30
35
0
1
2
3
4
5
6
7
1 dB Compression Point
0.1 dB Compression Point
INPUIT P1dB (dBm)
FREQUENCY (GHz)
30
35
40
45
50
55
60
0
1
2
3
4
5
6
7
+ 25C
+ 85C
- 40C
IN
PU
IT
IP3 (dBm
)
FREQUENCY (GHz)
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12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
SWITCHES - SMT
14
Truth Table
Absolute Maximum Ratings
Control Voltages
Outline Drawing
Control Input
Signal Path State
A
B
RF1 to RF2
High
Low
ON
Low
High
OFF
State
Bias Condition
Low
0 to -0.2V @ 10 uA Max.
High
-5V @ 10 uA Typ. to -7V @ 45 uA Typ.
RF Input Power (Vctl= -5V)
(0.5 - 6 GHz)
+30 dBm (@ +50 °C)
Control Voltage Range (A & B)
+1.0V to -7.5 Vdc
Channel Temperature
150 °C
Thermal Resistance (R
TH
)
(junction to lead)
94 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-40 to +85 °C
NOTES:
1. PACKAGE BODY MATERIAL: WHITE ALUMINA 92%
2. CONDUCTOR TRACES MATERIAL: THICK FILM TUNGSTEN.
3. LEAD, BASE, COVER MATERIAL: KOVARTM.
4. PLATING: ELECTROLYTIC GOLD 50 MICROINCHES MIN, OVER
ELECTROLYTIC NICKEL 50 MICROINCHES MIN.
5. ALL DIMENSIONS ARE IN INCHES [MILLIMETERS].
6. TOLERANCES: .±005 [0.13] UNLESS OTHERWISE SPECIFIED.
7. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED
TO PCB RF GROUND.
Caution: Do not "Hot Switch" power levels greater than
+27 dBm (Vctl = 0/-5 Vdc).
HMC231G7
GaAs MMIC SMT HIGH ISOLATION
SPST SWITCH, DC - 6.0 GHz
v00.0803
MICROWAVE CORPORATION
14 - 85
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
14
SWITCHES - SMT
Pin Descriptions
Suggested Driver Circuit
Pin Number
Function
Description
Interface Schematic
1, 3
RF2, RF1
This pin is DC coupled and matched to 50 Ohm. Blocking
capacitors are required if RF line potential is not equal to 0V.
2, 4, 7
GND
Package bottom must also
be connected to PCB RF ground.
5
A
See truth table and control voltage table.
6
B
See truth table and control voltage table.
HMC231G7
GaAs MMIC SMT HIGH ISOLATION
SPST SWITCH, DC - 6.0 GHz
v00.0803
MICROWAVE CORPORATION
14 - 86
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
SWITCHES - SMT
14
HMC231G7
GaAs MMIC SMT HIGH ISOLATION
SPST SWITCH, DC - 6.0 GHz
v00.0803
Evaluation PCB
The circuit board used in the fi nal application should be
generated with proper RF circuit design techniques. Signal
lines at the RF port should have 50 ohm impedance and
the package ground leads and package bottom should be
connected directly to the ground plane similar to that shown
above. The evaluation circuit board shown above is avail-
able from Hittite Microwave Corporation upon request.
List of Material
Item
Description
J1 - J2
PC Mount SMA RF Connector
J3 - J4
DC Pin
R1, R2
100 Ohm Resistor, 0603 Pkg.
U1
HMC231G7 SPDT Switch
PCB*
107744 Evaluation PCB
* Circuit Board Material: Rogers 4350
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