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Desktop Shortwave Transmitter
Desktop Shortwave receiver
Desktop HF/VHF/UHF Receiver

General

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

RX-range - 3.5-27.4 MHz 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 ? ? 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

TX-range 10-160 m - -
Modulations AM   CW   - -
RF-output AM: Max 125 W, CW: Max 140 W ? -

Connections

Antenna - - SO-239 + Clamps / screws
Impedance 50/600Ω 50 Ω 50 / 600Ω
Other - - -

Electrical

Power req. Mains Mains 13.8V DC or mains
Current RX - ? 40 W max
TX ? - -

Physical

Manufactured Between 1955 and 1957 in USA Between 1968 and 1972 in USA Between 199x and 200x in Japan
Dimensions 526 × 350 × 406 mm
(20.71 × 13.78 × 15.98 in)
380 × 170 × 350 mm
(14.96 × 6.69 × 13.78 in)
330 × 130 × 285 mm
(12.99 × 5.12 × 11.22 in)
Weight 45.36 kg (100.1 lbs) 8.00 kg (17.7 lbs) 7.50 kg (16.5 lbs) approx.
Form factor Base Station Base Station Base Station

Other features

Memories ? ? 1000 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? DSP, RS-232, RTTY demodulator, Timer
Accessories ? ? ?
MPN HEATHKIT-DX-000100 HEATHKIT-SB-000310 JRC-NRD-000545