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240 [2007/02/28 16:28] n5na |
240 [2007/02/28 16:28] n5na |
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| ===== Description ===== | ===== Description ===== | ||
| Provides Models [[540]] and [[544]] transceivers with transmit and receive capabilities on 160 meters. Crystal controlled mixer converts 1.8 - 2 MHz signals to 3.5 - 3.7 MHz which are then tuned in the 80 meter mode. The crystal oscillator also mixes with the 540 / 544 VFO signal to provide proper injection for the transmitting mixer in the transceiver. A low pass filter is switched into the antenna line to reduce harmonics. Power input is reduced a nominal 25%. Panel switch also selects the two transceiver crystal channels when fixed frequency use is desired. Includes cables (less crystals). Housed in matching enclosure. | Provides Models [[540]] and [[544]] transceivers with transmit and receive capabilities on 160 meters. Crystal controlled mixer converts 1.8 - 2 MHz signals to 3.5 - 3.7 MHz which are then tuned in the 80 meter mode. The crystal oscillator also mixes with the 540 / 544 VFO signal to provide proper injection for the transmitting mixer in the transceiver. A low pass filter is switched into the antenna line to reduce harmonics. Power input is reduced a nominal 25%. Panel switch also selects the two transceiver crystal channels when fixed frequency use is desired. Includes cables (less crystals). Housed in matching enclosure. | ||
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| ===== Specifications ===== | ===== Specifications ===== | ||
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| ***Panel Controls:** 2 pos. band switch, 1.8 - 2 and 3.5 - 30,; 3 pos. mode switch, VFO, X1, X2. | ***Panel Controls:** 2 pos. band switch, 1.8 - 2 and 3.5 - 30,; 3 pos. mode switch, VFO, X1, X2. | ||
| ***Semiconductors:** 1 IC, 3 transistors, 7 diodes | ***Semiconductors:** 1 IC, 3 transistors, 7 diodes | ||
| - | ***Powered by 540/544 transceivers. | + | ***Powered by 540/544 transceivers.** |
| ***Size:** HWD 2.5" x 10.375" x 6.5" | ***Size:** HWD 2.5" x 10.375" x 6.5" | ||
| ***Weight:** 2 lbs. | ***Weight:** 2 lbs. | ||
