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Compare specifications between amateur radios. Simply select up to 3 radios and compare them side-by-side, including images and descriptions.
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General |
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| HAM bands | 160m 80m 40m 20m 15m 10m | ? | ? |
| Freq. stability | ? | ? | ±10ppm or less for 5min. to 60min. after tuning the power on, thereafter ±2 ppm or less per hour, and ±0.5 ppm or less (with option TCXO installed) |
| Tuning steps | ? | ? | 1 / 10 / 100 Hz / 1 / 5 / 6.25 / 9 / 10 / 12.5 / 20 / 25 / 30 / 50 / 100 kHz |
Receiver |
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| RX-range | - | 550 kHz - 30 MHz in 4 bands |
0.1-2000 MHz (NRD-545G) 0.1-824 / 849-869 / 894-1850 / 1910-1930 / 1990-2000 MHz (NRD-545U) |
| Modulations | - | AM CW SSB | AM AM-sync FM W-FM CW USB LSB RTTY |
| Sensitivity | ? | ? |
LSB/USB/CW/RTTY 2,4 kHz, 10 dB S+N/N < 5,0 µV (0,100...0,499999 MHz), < 2,0 µV (0,5...1,599999 MHz), < 0,32 µV (1,6...29,999999 MHz) AM 2,4 kHz, 30% AM-modulation with 400 Hz < 15,8 µV (0,100...0,499999 MHz), < 6,3 µV (0,5...1,599999 MHz), < 2,0 µV (1,6...29,999999 MHz), < 3,2 µV (30...1000 MHz), < 3,2 µV (1260...1300 MHz) N-FM 12 dB SINAD < 0,5 µV (1,6...29,999999 MHz), < 0,8 µV (30...1000 MHz)< < 0,8 µV (1260...1300 MHz) W-FM 12 dB SINAD < 2,0 µV (30...1000 MHz) with optional CHE-199 |
| Selectivity | ? | ? |
WIDE 4.5 kHz Better than 4,5 kHz (-6dB), less then 8,0 kHz (-60 db) INTER 2.4 kHz Better than 2,4 kHz (-6 dB), less then 5,0 kHz (-60 db) NARROW 1 kHz Better than 1,0 kHz (-6 dB), less then 4,0 kHz (-60 dB) FM 10 kHz Better than 10 kHz (-6 dB) |
| Filters | ? | ? | 10Hz - 10kHz in 10 Hz steps |
| Receiver system | ? | 4 tubes | Triple conversion + DSP |
| IF-freqs. | ? | ? |
1st: 70.445 MHz 2nd: 455 kHz 3rd 20.22 kHz (DSP) |
| Image rejection | ? | ? | > 70 dB |
| Audio output | ? | ? | 1 W @ (4 ohms @ 10% THD) |
Transmitter |
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| TX-range | 10-160 m | - | - |
| Modulations | AM CW | - | - |
| RF-output | AM: Max 125 W, CW: Max 140 W | ? | - |
Connections |
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| Antenna | - | Clamps / screws + Built-in ferrite bar | SO-239 + Clamps / screws |
| Impedance | 50/600Ω | 50/75 Ω | 50 / 600Ω |
| Other | - | - | - |
Electrical |
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| Power req. | Mains | Mains | 13.8V DC or mains |
| Current RX | - | 30 W | 40 W max |
| TX | ? | - | - |
Physical |
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| Manufactured | Between 1955 and 1957 in USA | Between 1964 and 1971 in USA | Between 199x and 200x in Japan |
| Dimensions |
526 × 350 × 406 mm (20.71 × 13.78 × 15.98 in) |
292 × 146 × 171 mm (11.50 × 5.75 × 6.73 in) |
330 × 130 × 285 mm (12.99 × 5.12 × 11.22 in) |
| Weight | 45.36 kg (100.1 lbs) | 5.20 kg (11.5 lbs) | 7.50 kg (16.5 lbs) approx. |
| Form factor | Base Station | Base Station | Base Station |
Other features |
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| Memories | ? | ? | 1000 channels in 1 bank(s) |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | ? |
BFO S-Meter |
DSP, RS-232, RTTY demodulator, Timer |
| Accessories | ? | ? | ? |
| MPN | HEATHKIT-DX-000100 | HEATHKIT-GR-000064 | JRC-NRD-000545 |
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