Ramsey Electronics AA7B, Руководство пользователя

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AA7B
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AA7B ACTIVE ANTENNA KIT PARTS LIST
CAPACITORS
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14 .01 µF disc capacitor (marked .01, 103 or 10nF) [C1-4, C6-15]

2 10 µF electrolytic capacitor [C5,C16]
INDUCTORS

2 22 µH (red-red-black) [L1,L2]
RESISTORS

1 220 ohm (red-red-brown) [R7]

1 6.8K ohm (blue-gray-red) [R11]

2 10K ohm (brown-black-orange) [R5, R10]
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2 100K ohm (brown-black-yellow) [R1, R6]
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1 150K ohm (brown-green-yellow) [R3]
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1 180K ohm (brown-gray-yellow) [R4]

1 100K ohm PC mount potentiometer [R2] (marked 104)
SEMICONDUCTORS

2 BF2040 N-Channel MOSFET Tetrode Transistor [Q2,Q3] (pre-
mounted)

1 LM2936Z-5.0 Voltage Regulator [VR1]

1 74HC00N CMOS Quad NAND Gate IC [U2]

2 HMC221 Electronic Relay [U1, U5] (pre-mounted)
CONTROLS AND HARDWARE

1 DPDT push switch [S1]
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2 PCB-mounted BNC jacks [J1, J2]

1 PCB-mounted Power jack [J3]

1 9 volt battery hold-down clamp

1 9 volt battery snap connector [BAT1]
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1 LED power indicator [LED1]
NOT SUPPLIED/OPTIONAL

1 9 volt battery (alkaline or heavy-duty)

1 External antenna terminated in BNC connector
REQUIRED TOOLS

Soldering Iron

Thin Rosin Core Solder

Needle Nose Pliers

Small Diagonal Cutters