UPG501B – A Handy Pre-Scaler by NEC

UPG501B, a NEC product, is a GaAs divide-by-4 pre-scaler that can be operated in a frequency range of 1.5 GHz to 5 GHz. It is a static divider with two master slave D type flip-flops and operates from a single supply voltage (+10 Volts). The key application of a UPG501B is in frequency synthesizers of microwave communication systems and measurement equipments. The manufacturers i.e. the NEC commits guaranteed performance over an ambient temperature range (i.e. from – 25oC to + 75oC) and provides the product in a reliable and easily usable hermetically sealed 8 – lead ceramic flat package.

Damage Prevention Guidelines

UPG501B is a handy electronic device and keeping few basic usage guidelines in the forefront, can help deal with any permanent damages to the product features. The supply voltage of 10V, for instance, is perfect for UPG501B. However in any circumstances must not be above +12V. Similarly, the supply current must not exceed beyond 150 mA and the total power dissipation rating can be at a maximum of 1.5W. The suggested operating temperature range is – 65oC to + 125oC. The storage temperature however, can go up to a positive temperature of 175oC, the minimum being - 65oC.

There are possibilities, when due to high internal gain and gain compression, UPG501B could end up in self-oscillation. The same can be managed by either adding a shunt resistor to the RF input line or by applying a negative voltage through a 1000-ohm resistor to the normally open VGG connection.

Other Prescalers:

UPB1510GV, 3 GHz INPUT DIVIDE BY 4 PRESCALER
HMMC-3024, 12 GHz divide by 4 prescaler
25675DV-QFN, DC to 25 GHz Divide-by-4 Prescaler