Contents
What are the applications of PIN diode?
Applications of PIN Diode
- These diodes are used in the RF and also for microwave switches and microwave variable attenuators since they are said to have low capacitance.
- They are used in Photodetectors and photovoltaic cell and the PIN photodiodes are used for fibre optic network cards and also switches.
Why Zener diode is preferred over PIN diodes?
The PN junction diode is used for rectification purpose because it allows the current to flow only in one direction. It is a type of switch which only allows the forward current to pass through it….Comparison Chart.
| Basis For Comparison | PN Junction Diode | Zener Diode |
|---|---|---|
| Ohms Law | Obey | Do not obey. |
What is the difference between Zener diode and normal diode?
A diode is a semiconductor device which conducts in one direction only. A Zener diode is a semiconductor device which conducts in forward biased as well as reversed biased. A normal diode if operated in reversed biased will get destroyed.
How is a SPST used in a RF switch?
The SPST is a basic switch, which is used to connect or break the connection between the two terminals. It can be utilized to connect RF input to RF output by providing a positive bias voltage to the diode.
How are SPDT diodes used in RF switches?
The SPDT is ideal for use in Rx-Tx (receive–transmit) antenna switches. The SPDT schematic shown in Figure 2 contains one series diode in each branch of the switch. By providing positive bias voltage to the respective diode, the RF signal is routed from the common input port to either one of the two output branches.
How are PIN diodes used in series mode?
Figure 4: PIN diodes used in series mode for a) a basic SPST switch and b) an SPDT switch, where VG is the RF generator voltage. (Source: Skyworks Solutions, Inc.) Similarly, shunt-diode switches can be used for basic SPST and SPDT functions (Figure 5).
How are Infineon PIN diodes used in RF switches?
1.2 Infineon PIN diodes Infineon PIN diodes are ideal for a wide range of RF applications. Their low insertion loss and fast switching time makes them ideal for use in Rx-Tx antenna switches. They are offered in industry-standard 0201 and 0402