Pin Diode Switch Driver

References 1 2 provide a fuller treatment of this subject and can be used as a basis for rf switch switch driver interface designs.

Pin diode switch driver.

The back bias voltage can be selected to be any voltage between 20 v to 50 v. Connecting the switch driver control circuit to a pin diode such that it can turn diodes on and off by applying a forward or reverse bias is a challenging task. Most of the information in this chapter is based on. This driver has complementary outputs which can provide up to 200 ma bias current to a spdt pin diode switch.

Linear driver for pin diode attenuators 5 12 50000 sow16 madr 007098 pdf. The bias circuit typically uses a low pass filter between the rf circuit and the switch driver. Dsdfser df series decoded fast pin diode drivers 27 kb rev 11 19 98. Standard switch driver data sheets.

Dsbxser bx series ecl pecl compatible pin diode drivers 54 kb rev 11 19 98. Dsucser ultracompact series ultracompact pin diode drivers 52 kb rev 11 20 98. The driver is compatible with 3 3 5 0 v cmos logic is decoded 2 channel outputs to supply each bias line with up to 100 ma current to forward bias the shunt diode and 100 ma and 5 to 30v to bias the series diode. Figure 5 shows a single pole double throw spdt rf switch and its bias circuit.

M513 tape and reel packaging for surface mount components m538 surfacing mounting instructions footprint guidelines s2080 moisture effects on the soldering of plastic encapsulated devices. Once the high voltage switch is turned on current flows from the 600v supply through the transistor and then through the 10k ohm resistor to the cathode side of the pin diode switch. Microsemi s switch drivers contain internal spiking and decoupling capacitors. Thin film metalization on ceramic substrates ensures low parasitic capacitance for fast switching small size and excellent reliability.

It is capable of deliver ing peak currents in excess of one ampere at speeds up to 10 mhz. Pin diode drivers api technologies offers a complete line up of pin diode switch drivers with output current capability of 10 ma to 50 ma and switching speeds as fast as 6 ns. Dsdsser ds series decoded slow 50 nsec pin diode drivers 27 kb rev 11 19 98. External negative supply voltages may be as high as 18 volts.

Pin diode drivers introduction the dh0035 dh0035c is a ttl dtl compatible dc coupled high speed pin diode driver. Inputs are compatible with standard logic families. Driver circuits for high power pin diode switches the information in this chapter is presented as a guide for the rf switch switch driver interface. The 99214 is a driver featuring high speed and wide negative and positive voltage range suited for driving pin diode switch.

Since the anode side of the pin diode switch is connected to 12v 588v of reverse bias 600v 12v is applied to the. Qsk 5 pin diode switch driver in off mode.