hmc545 Hittite Microwave Corporation, hmc545 Datasheet - Page 5

• Manufacturer Part Number: hmc545
• Description: Spdt Switch Smt, Dc - 3 Ghz
• Manufacturer: Hittite Microwave Corporation

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Typical Application Circuit
Notes:
1. Set logic gate Vdd = +3V to +5V and use HCT series logic to provide a TTL driver interface.
2. Control inputs A/B can be driven directly with CMOS logic (HC) with Vdd of +3V to +8V applied to the CMOS logic gates.
3. DC Blocking capacitors are required for each RF port as shown. Capacitor value determines lowest frequency of operation.
4. Highest RF signal power capability is achieved with Vdd = +8V and A/B set to 0/+8V.
Pin Descriptions
Pin Number
1, 3, 5
2
4
6
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RF2, RF1, RFC
Function
GND
B
A
These pins are DC coupled and matched to 50 Ohms.
v00.0905
This pin must be connected to RF/DC ground.
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See truth and control voltage tables.
See truth and control voltage tables.
Blocking capacitors are required.
Description
SWITCH, DC - 3 GHz
HMC545
GaAs MMIC SPDT
Interface Schematic
/
545E