Ramsey-electronics AA7 Manual de usuario

AA7 • 1 ALL BAND HF, VHF, UHF ACTIVE ANTENNA Ramsey Electronics Model No. AA7 • Great for perking up scanner reception. • Dual preamp HF-VH

AA7 • 10 • SOLDER ALL wires or pins of the part, whether the 2 wires of a resistor or the 3 or 4 wires of a transistor. • Trim or Nip

AA7 • 11  14. Install R3, 100K [brown-black-yellow].  15. If you have completed Steps 4 through 14 correctly, you now have the 4 holes for Q1 surr

AA7 • 12  24. BEFORE connecting battery or conducting any tests, PLEASE recheck each of the preceding steps, looking especially for: • quality of s

AA7 • 13 rather than only a receiver or scanner, make sure it is not possible to transmit by accidentally pressing a mike button or CW keyer. Transm

AA7 • 14 Unusual oscillations in receiver: Some portable receivers not enclosed in metal cases may break into oscillation when connected to any RF p

AA7 • 15 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved without contacting t

AA7 • 16 AA7 ACTIVE ANTENNA Quick Reference Page Guide Introduction to the AA7 ...4 Circuit and Device Description

AA7 • 2 PARTIAL LIST OF AVAILABLE KITS RAMSEY TRANSMITTER KITS • FM10, FM25B FM Stereo Transmitters • FM100 Super Pro FM Transmitter

AA7 • 3 AA7 ACTIVE ANTENNA KIT Ramsey Publication No. MAA7 Manual Price Only: $5.00 TABLE OF CONTENTS Introduction to the AA7 ...

AA7 • 4 INTRODUCTION TO THE AA7 We believe that you will discover and agree with us that your new AA7 is the best VALUE in a true receiver antenn

AA7 • 5 The dual-gate MOSFET amplifier circuit (Q1), selected with S1 in the “out” position is designated the HF preamp circuit, due to the excepti

AA7 • 6 figure of the amplifier circuit which amplifies the signal from the antenna rod before it gets to the receiver's RF input. We mention

AA7 • 7  Needle Nose Pliers (RS64-1844)  Small Diagonal Cutters (RS64-1845) ADDITIONAL SUGGESTED ITEMS  Soldering Iron Holder/Cleaner (RS-64-2078

AA7 • 8

AA7 • 9 AA7 PARTS LAYOUT DIAGRAM