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1208 [2008/02/07 17:03] n5na |
1208 [2008/02/07 21:32] n5na |
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| *Fast, silent RF sensing PIN diode T-R switching | *Fast, silent RF sensing PIN diode T-R switching | ||
| - | ===== Specifications ===== | ||
| - | *12 to 15 VDC at 3.0 amps required. | ||
| - | *8 watts typical RF output at 51 MHz. | ||
| - | *Standard 20M transceiver required. | ||
| - | *FM operation transceiver dependent. | ||
| - | *Receive 50-54 MHz. Transmit 50-52 Mhz. | ||
| - | *Input must be 5 watts or less. | ||
| + | |||
| + | ===== Specifications ===== | ||
| + | ***Transmit RF Input:** 5 watts nominal, 14 to 16 MHz, for 50 to 52 MHz output. (May be varied from 0.25 to 10 watts by changing value of R5.) | ||
| + | ***Internal Attenuator:** up to 8 watts continuous, 10 watts light duty | ||
| + | ***Transmit RF Output:** 8 watts typical, 50 - 52 MHz. (Transmit operation above 52 MHz not recommended.) | ||
| + | ***14 MHz Input/Output Impedance:** 50 ohms | ||
| + | ***50 MHz Input/Output Impedance:** 50 ohms | ||
| + | ***Local Oscillator:** 36.000 MHz, crystal-controlled | ||
| + | ***Mixer:** double-balanced diode bridge | ||
| + | ***Receiving Range:** 50 to 54 MHz converted to 14 to 18 MHz | ||
| + | ***Receiving Sensitivity:** 0.15 uv typical (over-all sensitivity depends on transceiver) | ||
| + | ***14 MHz Feedthrough:** > -75 dB | ||
| + | ***Image Rejection:** (~22 MHz) -60 dB typical | ||
| + | ***HF-6M Antenna Switching:** manual, rated to 100W (HF) | ||
| + | ***HF Antenna Isolation:** > -60 dB | ||
| + | ***T-R Switching:** RF-sensing, solid-state | ||
| + | ***Power Supply Requirement:** 11 - 14 volts DC, 4 amps | ||
| + | ***DC Current Drain (Receive):** 170 mA | ||
| + | ***DC Current Requirement (Transmit):** 3.8 amps | ||
| + | ***Cabinet Dimensions:** 1-5/16" H x 7-1/4" W x 6-1/8" D | ||
| + | ***Weight:** 2.5 lbs | ||
| ===== Reviews ===== | ===== Reviews ===== | ||
