HMC221A データシートの表示（PDF） - Hittite Microwave
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HMC221A Datasheet PDF : 4 Pages
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v01.0210
Typical Application Circuit
Notes:
1. Set logic gate and switch 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 5 to 8 Volts 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.
Evaluation Circuit Board
HMC221A / 221AE
GaAs MMIC SOT26 SPDT
SWITCH, DC - 3 GHz
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List of Materials for Evaluation PCB 101675 [1]
Item
Description
J1 - J3
PCB Mount SMA RF Connector
J4 - J7
DC Pin
C1 - C3
330 pF Capacitor, 0402 Pkg.
U1
PCB [2]
HMC221A / HMC221AE SPDT Switch
101659 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
The circuit board used in the application should
be generated with proper RF circuit design tech-
niques. 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.
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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