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AOR AR8000 Wide Range Receiver Specifications Vintage 1994 Type Handheld Range 500 kHz - 1950 MHz Channels 1000 Banks 20 Modes AM, FM, WFM, USB, LSB, CW Priority 1 channel Conversion Triple Scan 30 channels/second Search 30 steps/second Audio 120mW at 10%THD Power 4 AAs 9-16V DC Size 2.6"(W) x 6.3"(H) x 1.5"(D) Weight ? oz Interfaces BNC, speaker, RS-232, DC Accessories Antenna, belt-clip, hand-strap, AC adapter, 4 AA ni-cads Features 2 VFOs, band scope, auto-store, alpha-tagging, S-meter, search-skip Sensitivity The following table appeared in the Feb '95 (Vol 8, #2) issue of US Scanner News as part of the AR8000 review written by Steve Donnell, WA1YKL Frequency (Mhz) 12db SINAD Frequency (Mhz) 12db SINAD 15 0.31 400 1.50* 25 0.56* 402 0.22 34 0.25 425 0.28 35 0.79* 445 0.28 44 0.15 465 0.31 45 0.39* 475 0.31 55 0.18 525 0.35 72 0.22 545 0.15 75 0.45* 845 0.28 125 1.10* 865 0.40 145 0.25 885 0.12 155 0.20 905 0.28 165 0.22 935 0.31 175 0.28 955 0.35 225 0.31 1285 0.80 275 0.28 1525 2.20 335 0.63 1625 4.50 375 0.45 1875 6.30 * = I noticed that on some integer test frequenceis, particularly, under 200 MHz, the resulting 12 db SINAD signal level was much worse than would be expected, and from what was measured on other adjacent frequencies. This was apparently due to some internal noise and/or low level birdie carrier. But this should NOT adversely affect most actual monitoring activities. On most frequencies up to 1GHz, sensitivity was 0.40 or better Audio Clipping The Dec '95/Jan '96(Vol 9, #1) issue of US Scanner News featured a Technical Stuff column written by Steve Donnell, WA1YKL which addressed the audio clipping problem of the AR8000 This column pointed out that the IF filter used was rated as a6kHz bandwidth at 6dB and was therefore too restrictive for may FM transmissions which may require up to 8kHz. It was also pointed out that the PRO-43 used a 10kHz filter What followed was a description of how the author replaced the Murata Erie CFWM455F with a CFU455E with a 7.5kHz bandwidth Wandering Birdie The Dec '95/Jan '96 (Vol 9, #1) issue of US Scanner News featured a Technical Stuff column written by Steve Donnell, WA1YKL which addressed the wandering birdie problem of the AR8000 The author points out that thermal changes may de-stabilize the output frequency of the Y1 resonator creating harmonics that interfere with the normal reception of signals The author's advice is to replace this resonator(4.194MHz) with a suitable 4.914MHz version offered from a variety of dealers for for around $2 Review Look here Web Info Mike Ellerson, KS4JU, AR8000 review Woody's AR8000 page

Copyright © 2001 by Richard J. Wells