Ramsey Electronics BS1 Manuel d'instructions télécharger pdf (Page 8)

SG7• 8

OTHER COMPONENTS

 1 SG7 printed circuit board

 1 Case kit

 1 Miniature stereo (signal) jack (J1)

 4 case screws

 1 Subminiature phone jack (J2)

 4 3/8" threaded standoffs

 1 DC coaxial power jack (J3)

 8 #4 screws

 1 Stereo (signal) plug

 1 front panel decal

 1 power plug (may include wire)

 1 5 feet of 2 conductive shielded hookup wire

MICROWAVE OSCILLATOR PC BOARD:

CAPACITORS

 3 .01µF disc capacitor (marked .01 or b103 or 10nf) (C1,2,6)

 1 .001µF SMT chip capacitor (C7, factory-installed on board)

 2 1µF electrolytic (C4,C5)

 1 220µF electrolytic (C3)

RESISTORS

 2 100 ohms [brown-black-brown] (R4,R5)

 1 1K ohms [brown-black-red] (R3)

 2 10K ohms [brown-black-orange] (R1,R6)

 1 1 megohm [brown-black-green] (R2)

SEMICONDUCTORS

 1 2N3904 NPN transistor (Q1)

 1 NE021 microwave transistor (Q2)

 1 1N4148 glass bead signal diode (D1)

 1 1SS99 hot carrier diode (very small, marked with black and blue color

bands) (D2)

OTHER COMPONENTS

 1 SG7B printed circuit board

 1 Miniature stereo jack

 1 Miniature stereo plug

 1 Length of No. 20 buss wire (for 1.1" antenna)

 1 Pre-cut tin cover shield

REQUIRED, NOT SUPPLIED

 Metal cans for housing (see text)

 12-14 VDC, 200 mA. battery pack or other DC supply.

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Ramsey Electronics BS1 Manuel d'instructions Page 8