Lowe HF-150 Communications Receiver.
The Lowe HF-150 coverage is from 30 kHz to 30 MHz with variable tuning rate according to speed rotation of the main tuning knob. Modes are AM, AM Synchronous, USB and LSB (also for CW/RTTY/FAX). The dual conversion design features selectable IF bandwidths of 2.5 and 7 kHz. Sixty memories store frequency and mode. The 1 kHz LCD frequency display can also show: memory number, mode, bandwidth and other functions. 7.2 x 3.2 x 6.5 inches 3 Lbs. (185x80x160mm 1.3 kg).
Specifications
Frequency Range ....... 30 kHz - 30 MHz Modes ................. AM, Sync, LSB and USB Intermediate Freqs. ... 1st IF = 45 MHz 2nd IF = 455 kHz Tuning Increment ...... 8 Hz, 60 Hz. Sensitivity ........... .5 µV1 .2 µV with whip preamp on1 Selectivity ........... 2.5/7.0 kHz -6 dB, Stability ............. <± 30 Hz in 1 hour typical Antenna Jack .......... SO-239 50 Ohm, clips 600 Ohm Spurious Response ..... > 65 dB rejection Output Power .......... 1.6 W 8 ohms 5% THD
Скачать принципиальную схему HF-150 (PDF - 378kb)