HMC240A Datasheet PDF - Hittite Microwave Corporation

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HMC240A
Hittite Microwave Corporation

Part Number HMC240A
Description GaAs MMIC SPDT SWITCH
Page 6 Pages


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Typical Applications
The HMC240A is ideal for:
• Telecom Infrastructure
• Microwave Radio & VSAT
• Military & Space
• Test Instrumentation
Functional Diagram
7
HMC240A
GaAs MMIC SPDT SWITCH
DC - 4 GHz
Features
Broadband Performance: DC - 4 GHz
Low Insertion Loss: 0.5 dB @ 2 GHz
High IIP3: +48 dBm
Small Size: 0.66 x 0.60 x 0.18 mm
General Description
The HMC240A is a low cost GaAs MESFET SPDT
switch chip. Covering DC to 4 GHz, this switch offers
high isolation and low insertion loss. RF1 and RF2
are reflective shorts when “off”. The switch can oper-
ate using either two negative control logic inputs of
-5/0V or two positive control voltage logic inputs of
0/+5V. All data is tested with the chip in a 50 Ohm test
fixture connected via 0.025 mm (1 mil) diameter wire
bonds of 0.31 mm (12 mils) length.
Pads 3 & 7 are alternate A & B Control Inputs.
7-1
Electrical
With 0/-5V
Specifications,
Control or +5/0V
TCAo=n+tr2o5l,°
C,
50
Ohm
System
Parameter
Insertion Loss
Isolation
Return Loss
Input Power for 1 dB Compression
Input Third Order Intercept
(Two-Tone Input Power= +7 dBm Each Tone)
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
“On State”
Frequency
DC - 1.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
DC - 4.0 GHz
DC - 4.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
DC - 4.0 GHz
0.5 - 1.0 GHz
0.5 - 4.0 GHz
0.5 - 1.0 GHz
0.5 - 4.0 GHz
DC - 4.0 GHz
Min.
Typ.
Max.
Units
0.4 0.7 dB
0.5 0.8 dB
0.6 0.9 dB
0.9 1.4 dB
24 28
dB
22
16
14
11
25 30
23 29
43 48
40 45
dB
dB
dB
dB
dBm
dBm
dBm
dBm
3 ns
10 ns
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com



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HMC240A
GaAs MMIC SPDT SWITCH
DC - 4 GHz
Insertion Loss vs. Temperature
0
-0.5
-1
-1.5
+25 C
+85 C
-2 -55 C
-2.5
-3
0 0.5 1 1.5 2 2.5 3 3.5
FREQUENCY (GHz)
4
Isolation
0
-10 RF1
RF2
-20
-30
-40
-50
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Return Loss
0
-10
RFC
RF1, RF2, ON
-20
-30
-40
-50
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
0.1 and 1 dB Input Compression Point
35
30
25
1.0 dB Compression Point
20 0.1 dB Compression Point
15
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Input Third Order Intercept Point
60
55
50
45
40
+25 C
+85 C
35 -55 C
30
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
7
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
7-2



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v00.0211
Positive Control Voltage
State
Bias Condition
Low 0 Vdc @ 5 uA
High
+3 Vdc @ 3 uA to +8 Vdc @ 32 uA
Control input voltage tolerences are ±0.2 Vdc.
Truth Table: Positive Control Voltage
Control Input
A
(Vdc)
B
(Vdc)
0 +5
+5 0
Control Current
Ia Ib
(uA) (uA)
-5 5
5 -5
Signal Path State
RFC to
RF1
RFC to
RF2
ON OFF
OFF
ON
7
Absolute Maximum Ratings
RF Input Power
Vctrl= 0/+5 (-5)V
< 0.5 GHz
0.5 - 4 GHz
Control Voltage Range (A & B= 0/+5V)
+27 dBm
+34 dBm
-0.2 to +10 Vdc
Control Voltage Range (A & B= -5/0V)
-10 to +0.2 Vdc
Storage Temperature
-65 to +150 deg C
Operating Temperature
-55 to +85 deg C
ESD Sensitivity (HBM)
Class 1A
HMC240A
GaAs MMIC SPDT SWITCH
DC - 4 GHz
Negative Control Voltage
State
Bias Condition
Low -3 Vdc @ 3 uA to -8 Vdc @ 32 uA
High
0 Vdc @ 5 uA
Control input voltage tolerences are ±0.2 Vdc.
Truth Table: Negative Control Voltage
Control Input
A
(Vdc)
B
(Vdc)
-5 0
0 -5
Control Current
Ia Ib
(uA) (uA)
-5 5
5 -5
Signal Path State
RFC to
RF1
RFC to
RF2
ON OFF
OFF
ON
Note:
This part can be controlled with either positive or negative
voltages per the above table. DC blocks are required at
ports RFC, RF1 and RF2 if positive control voltage is used.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
7-3
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com



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Outline Drawing
HMC240A
GaAs MMIC SPDT SWITCH
DC - 4 GHz
7
Die Packaging Information [1]
Standard
Alternate
GP-5 (Gel-Pak®)
[2]
[1] Refer to the “Packaging Information” section for die
packaging dimensions.
[2] For alternate packaging information contact Hittite
Microwave Corporation.
NOTES:
1. DIMENSIONS IN INCHES [MILLIMETERS].
2. DIE THICKNESS IS 0.005”.
3. TYPICAL BOND PAD IS 0.004” SQUARE.
4. TYPICAL BOND PAD SPACING IS 0.006” CENTER TO CENTER.
5. BOND PAD METALLIZATION: GOLD.
6. PADS 4 AND 6 MUST BE CONNECTED TO RF/DC GROUND.
Pad Descriptions
Pad Number
Function
Description
Interface Schematic
1, 7
A, A (alt.)
See truth table and control voltage table.
Connect either pad 1 or pad 7 to control logic input.
2, 5, 8
RF1, RFC, RF2
These pads are DC coupled and matched to 50 Ohms.
Blocking capacitors are required.
3, 9
B, B (alt.)
See truth table and control voltage table.
Connect either pad 3 or pad 9 to control logic input.
4, 6 AC GND
Must be connected to RF/DC ground.
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
7-4



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