HMC546MS8G_10 Datasheet, PDF (11/12 Pages) Hittite Microwave Corporation – GaAs MMIC 20W FAILSAFE SWITCH 0.2 - 2.2 GHz

HMC546MS8G / HMC546MS8GE
v06.0809
GaAs MMIC 20W FAILSAFE SWITCH
0.2 - 2.2 GHz
Pin Descriptions
Pin Number
1
Function
Tx
2, 7
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
11
4
ACG
5
Rx
6
Vdd
8
RFC
Application Circuit
See Truth Table.
External capacitor to ground is required.
See application circuit herein.
This pin is DC coupled and matched to 50 Ohms.
Supply Voltage
This pin is DC coupled and matched to 50 Ohms.
11 - 178
Components for Selected Frequencies
Tuned Frequency
220 MHz
457 MHz
Evaluation PCB Number 110123
110124
C1
150 pF
33 pF
C2
12 pF
6.2 pF
C3
C4-C6 ^[1]
12 pF
1000pF
7 pF
1000pF
L1
390 nH ^[2] 100 nH ^[4]
L2
36 nH ^[3]
15 nH ^[3]
[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
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]
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
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