DB-4 PDF File ( Datasheet )

LESHAN RADIO COMPANY, LTD. Bi-directional trigger diodes . 500mW DO-35 . Glass silicon . We declare that the material of product compliance with RoHS requirements. DB-4 Product Characteristic ± V I = IBO toIF=10mA 1.5 S Limiting Values 1, 3 LESHAN RADIO COMPANY, LTD. Characteristic Curves Current-voltage characterisitics +IF Test circuit see diagram 2 Adjust R for I=0.5A IP 90% 10 mA -v IBO IB 0.5v BO +v 10% V VBO tr -IF Power dissipation versus ambient temperature (maxi

DB-499D-470 RF power amplifier using 1 x START499D NPN RF silicon transistor Preliminary Data Features - - - - - - - Excellent thermal stability Frequency: 430 - 470 MH- Supply voltage: 3.6 V Output power: 29 dBm Power gain: 19 dB Efficiency: 52 % BeO free amplifier Mechanical specification: L = 60 mm, W = 30 mm ".W Description The DB-499D-470 is a NPN silicon RF power amplifier designed for UHF 2-way radio applications Table 1. Device summary Order codes DB-499D-470 February 2009 Rev 1