BLW32 Просмотр технического описания (PDF) - Philips Electronics

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производитель

BLW32

UHF linear power transistor

Philips Electronics 

Philips Semiconductors

UHF linear power transistor

Product specification

BLW32

L1; L2; L3; L6 and L7 are striplines on a double Cu-clad printed-circuit board with PTFE fibre-glass dielectric (εr = 2,74);

thickness 1/16".

Component layout and printed-circuit board for 860 MHz test circuit are shown in Fig.9. For bias circuit see Fig.10.

handbook, full pagewidth

114.5

46

L1

C1

+VBB

L4

C11

C10

C9

C4

L2

L3

C3

C2

C5

C13

C15 +

+VCC

C14

C12

L5

L6

L7

C7

C6

C8

MGP436

Fig.9 Component layout and printed-circuit board for 860 MHz test circuit.

The circuit and the components are situated on one side of the PTFE fibre-glass board, the other side being fully

metallized to serve as earth. Earth connections are made by means of hollow rivets, whilst under the emitter leads Cu

straps are used for a direct contact between upper and lower sheets.

August 1986

8

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