Realistic AX-190 - a surprisingly good Amateur Band Communications Receiver
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- Made In: Japan 1971-1973 by Allied and may also be labeled Allied, Realistic or Radio Shack AX-190.
- Coverage: 3.5-4, 7-7.5, 14-14.5, 15-15.5, 21-21.5, 28-28.5, 28.5-29, 29-29.5, 29.5-30 MHz plus one optional 500 kHz band. This receiver requires a speaker.
- Circuit: Double Conversion, a variable first I.F. of 2420-2920 kHz and a fixed second I.F. of 455 kHz.
- Semiconductor complement: 4 FETís,22 bipolar transistors, 13 diodes plus 2 zener diodes and 2 thermistors.
- Modes: AM/LSB/USB-CW with a crystal locked VFO
- Selectivity: 4 kHz
- Extremely sharp preselector tuning is had with image rejection on the measured as 90, 78, 74, 60, 50 db and i.f. signal rejection as 50, 70,
90, 105, 100 db on the 3.5, 7,14, 21 and 28 MHz bands respectively.
- Features: Noise limiter (only on AM), 25 and 100 KHz crystal Calibrator, Q-Multiplier / Rejection filter
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Written by and Copyright, Phil. Storr © Last updated 16th September 2013