| GENERAL |
| Type: | HF receiver |
| Frequency range: |
0.03-30 MHz
|
| Tuning steps: |
| AM: | 50 Hz |
| AMS/SSB/CW: | 8 Hz |
| FM: | 125 Hz |
|
| Frequency stability: | ±10 Hz per hour @ 20°C (68°F) |
| Mode: | AM / SSB / CW ( FM, DSB and AM-Sync(AMS) option) |
| Channels / memory management: |
255 regular
|
| Power supply: | 10-15 VDC (Barrel connector) |
| Current drain / power consumption: | ? mA |
| Antenna impedance / connector: | 50 ohm / SO-239
600 ohm / Spring terminals |
| Dimensions (W*H*D): | 280*105*205 mm (11*4.13*8.07") |
| Weight: | 2.7 Kg (5.95 lb) |
| Other features: | RS-232C. NB. Attenuator (20 dB). 200 Hz CW audio peak filter. |
|
|
|
|
| RECEIVER SECTION |
| Receiver system: |
Double conversion superheterodyne
1st IF: 45 MHz
2nd IF: 455 KHz
|
| Sensitivity: |
AM (No reference)
0.06-2 MHz: <1 uV
2-30 MHz: <0.7 uV
FM (No reference)
0.06-2 MHz: <0.8 uV
2-30 MHz: <0.6 uV
SSB (No reference)
0.06-2 MHz: <0.6 uV
2-30 MHz: <0.2 uV
|
| Selectivity: |
AM//SSB (Selectable)
2.3 KHz (-6 dB), 3.4 KHz (-60 dB)
5.9 KHz (-6 dB), 9.8 KHz (-60 dB)
8.8 KHz (-6 dB), 12.9 KHz (-60 dB)
10.6 KHz (-6 dB), 21.5 KHz (-60 dB)
AMS/CW (Selectable)
2.3 KHz (-6 dB), 3.4 KHz (-60 dB)
5.9 KHz (-6 dB), 9.8 KHz (-60 dB)
8.8 KHz (-6 dB), 12.9 KHz (-60 dB)
10.6 KHz (-6 dB), 21.5 KHz (-60 dB)
FM
12 KHz (No reference)
|
| Image rejection: | |
| AF output power / speaker: | 1.6 W at 5% distortion / 8 ohm
2 W at 5% distortion / 4 ohm |
| External speaker connector: | 3.5 mm, 4-8 ohm |
|
|
|
|
| MISCELLANEOUS |
| Manufactured: | England, 1995-1998 (Discontinued) |
| Additional info: | |
| Related documents: | User manual (5.5 MB) |
| Modifications and fixes: | |
| Reviews: | |
| Options / Accessories: |
DU-250
RC-250
WA-250
|
FM, DSB and AMS detector unit
Remote keypad
Whip antenna and internal preamp
|
|
