0.079 X 0.049 INCH, 0.033 INCH HEIGHT, ROHS COMPLIANT, CASE, GE0805C-1, 6 PIN
ECCN Code:
EAR99
Manufacturer:
Mini-Circuits
YTEOL:
7.35
Additional Feature:
HIGH ISOLATION
Characteristic Impedance:
50 Ω
Construction:
COMPONENT
Input Power-Max (CW):
41.76 dBm
Insertion Loss-Max:
0.8 dB
Isolation-Min:
17 dB
Mounting Feature:
SURFACE MOUNT
Number of Terminals:
6
Operating Frequency-Max:
3100 MHz
Operating Frequency-Min:
1700 MHz
Operating Temperature-Max:
100 °C
Operating Temperature-Min:
-55 °C
Package Body Material:
CERAMIC, METAL-SEALED COFIRED
Package Equivalence Code:
SOLCC6,.05,25
RF/Microwave Device Type:
COMBINER
Surface Mount:
YES
VSWR-Max:
1.2
QCS-312+ Frequently Asked Questions (FAQs)
Mini-Circuits recommends a 4-layer PCB with a solid ground plane on the bottom layer, and a via-stitched ground plane on the top layer. The device should be placed near the edge of the board to minimize signal reflections. A low-impedance path to ground is essential for the device's internal biasing network.
The QCS-312+ requires a 5V supply voltage and a bias current of 100mA. Ensure that the power supply is clean and well-regulated, and that the bias current is set correctly using the recommended bias resistor values. Consult the application note AN-60-012 for more information.
The QCS-312+ can handle input powers up to +20dBm (100mW) without damage. However, operation above +15dBm (32mW) may result in reduced performance and increased distortion. Consult the datasheet for more information on input power handling.
Common issues such as oscillations or instability can be caused by poor PCB layout, inadequate grounding, or incorrect biasing. Consult the application note AN-60-012 for troubleshooting guidelines, and ensure that the device is operated within its recommended specifications.
The QCS-312+ has a maximum junction temperature of 150°C. Ensure that the device is mounted on a heat sink or a thermally-conductive PCB material, and that the ambient temperature is kept below 70°C. Consult the datasheet for more information on thermal management.
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QCS-312+ Overview
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About Mini-Circuits
Mini-Circuits is a global leader in the design, manufacturing, and distribution of RF and microwave components and systems. The company's product portfolio includes a vast array of components such as amplifiers, mixers, splitters, couplers, filters, switches, and attenuators, among others. These components cover frequency ranges from DC to 65 GHz and beyond, serving applications in wireless communication, satellite communication, radar systems, test and measurement equipment, medical devices, and more.
