BA980-GS08

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Diode Type:	PIN - Single
Voltage - Peak Reverse (Max):	30V
Current - Max:	50mA
Capacitance @ Vr, F:	0.5pF @ 0V, 100MHz
Resistance @ If, F:	60 Ohm @ 1.5mA, 100MHz
Operating Temperature:	125°C (TJ)
Package / Case:	SOD-80 Variant
Supplier Device Package:	SOD-80 QuadroMELF

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BA980-GS08 is a two-terminal circuit element that varies only slightly when exposed to Electric or Magnetic fields. It is mainly used in Radio Frequency (RF) applications, and is a type of diode — a specific type of two-terminal semiconductor that transmits signals efficiently. The model in question is manufactured by Diodes Incorporated, and is used for RF power amplifiers, low-noise amplifiers, and RF oscillators. This article explores the characteristics, applications, and working principle of the BA980-GS08 model.

Characteristics

The BA980-GS08 has a wide temperature range of -40 to +85 °C and low voltage drop of 0.6 V typical under 25 mA current load. The device can also operate under a wide range of input power, from 4.5 to 8.0 GHz. Other features include high linearity at 2.4 V drive level and very low noise. Furthermore, the product is guaranteed for 3500 hours at +85°C in a dry atmosphere, and uses a variety of packaging options.

Applications

Given its characteristics and wide operating range, the BA980-GS08 is well-suited to a number of applications in radio broadcasting, such as low-noise and high-frequency amplification. Similarly, the device serves as the key component of many different RF oscillators and power amplifiers. Other applications include but are not limited to wireless communication, broadcast transmission, and measurement systems. In all these cases, the device’s small size and low power consumption are particularly advantageous.

Working Principle

The BA980-GS08 is a two-terminal circuit element, which varies only slightly when exposed to Electric or Magnetic fields. The device primarily consists of a PN junction, a semiconductor junction between a P-type and an N-type material. When a forward biased voltage is applied, the PN junction breaks down, allowing current to flow from the P-type to the N-type material. Conversely, when the forward biased voltage is reversed, the junction prevents current from passing. This phenomenon of "rectification" is the basis for the diode\'s RF performance.

The BA980-GS08 also includes a "tunnel diode." This diode has a special structure that allows electrons to pass through the junction at high speeds due to a low potential barrier. As a result, it can oscillate at much higher frequencies than conventional diodes and handle higher amplitudes. The tunnel diode further amplifies the BA980-GS08\'s RF performance.

Contrary to popular belief, the BA980-GS08 is not merely a rectifying device. Rather, its performance is optimized to ensure excellent linearity and very low noise in radio applications. Through combining a PN junction and a tunnel diode, the device achieves the ideal combination of high current density, low voltage drop, low noise, and low self-heating. As a result, the BA980-GS08 model is an optimal solution for RF power amplifiers, low-noise amplifiers, and RF oscillators.

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