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T-kit
Model no. 1254 Shortwave Receiver Kit.......... $195
plus shipping. You will build a true dual-conversion superhet with a microprocessor-controlled frequency synthesizer. Alignment is surprisingly easy and does not require complicated test equipment. Building this receiver yourself also gives you the assurance that you can maintain it in perfect working order for years to come. You will build the 1254 in six sections or phases, testing your work after completing each phase. We consider this project to be an intermediate to advanced level building project. If you have never built an electronics kit before, we encourage you to build one of our simpler kits first. Since you are interested in receivers, see our model 1054 or model 1253 regenerative receiver kits. Estimated build time: 25 hours GENERAL FEATURES: Frequency coverage: 100 kHz to 30 MHz Modes: AM, SSB/CW Choice of normal or fast tuning (2.5 kHz SSB, 5.0 kHz AM, or 100 kHz steps for either mode) Front panel controls: ON/OFF switch., tuning knob, volume,clarifier, mode select, memory write, VFO/memory tuning select, tuning rate select "Clarifier" allows tuning between 2.5 kHz steps. "Clarifier" covers plus or minus 1.5 kHz for coverage of all frequencies. 15 programmable memories Synthesized 45-75 MHz local oscillator 45 MHz first I-F, 455 kHz second I-F Sensitivity:
AM 2.5 uV for 10 dB SNR at 30% modulation Selectivity: 4 kHz @ -6 dB Readout: 6 digit green LED with mode indicators Power supply: 12-15 VDC, 250 mA current consumption with no signal present, wall transformer included with kit Antenna connector: 50 ohm input, RCA-style phono jack Speaker connector: 1/8" mono phone jack for 8 ohm external speaker or headphones (internal speaker inside top of case included) 1.5 watts audio output Size: 2.25" x 6.5" x 6.5" (HWD) Semiconductors:
10 IC's, 26 transistors, 16 diodes
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