HMC546MS8G / HMC546MS8GE
v06.0809
GaAs MMIC 20W FAILSAFE SWITCH
0.2 - 2.2 GHz
Pin Descriptions
Pin Number
1
2, 7
Function
Tx
GND
Description
This pin is DC coupled and matched to 50 Ohms.
This pin must be connected to PCB RF ground.
Interface Schematic
3
Vctl
See Truth Table.
4
5
ACG
Rx
External capacitor to ground is required.
See application circuit herein.
This pin is DC coupled and matched to 50 Ohms.
6
Vdd
Supply Voltage
11
SWITCHES - SPDT T/R - SMT
8
RFC
This pin is DC coupled and matched to 50 Ohms.
Application Circuit
Components for Selected Frequencies
Tuned Frequency
Evaluation PCB Number
C1
C2
C3
C4-C6
[1]
L1
L2
220 MHz
110123
150 pF
12 pF
12 pF
1000pF
390 nH
[2]
36 nH
[3]
457 MHz
110124
33 pF
6.2 pF
7 pF
1000pF
100 nH
[4]
15 nH
[3]
785 MHz
110125
11 pF
2 pF
3 pF
1000pF
33 nH
[4]
10 nH
[3]
915 MHz
110126
8 pF
1.8 pF
2.7 pF
1000pF
23 nH
[3]
8.2 nH
[3]
1843 MHz
110127
1.6 pF
N/A
1 pF
1000pF
3.3 nH
[3]
3.9 nH
[3]
1960 MHz
110128
1.5 pF
N/A
1 pF
1000pF
2.4 nH
[3]
3.6 nH
[3]
2015 MHz
115708
1.3 pF
N/A
0.9 pF
1000pF
2.2 nH
[3]
3.6 nH
[3]
2140 MHz
110129
1.2 pF
N/A
1 pF
1000pF
1 nH
[3]
2.7 nH
[4]
[1] DC blocking capacitors
[2] Coilcraft 0603LS series inductor, 5% tolerance
[3] Coilcraft 0402CS series inductor, 5% tolerance
[4] Toko LL1005-FH series inductor, 5% tolerance
11 - 178
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20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HITTITE [ HITTITE MICROWAVE CORPORATION ]
