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Last modified 2023-06-27

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Lowe HF-235

A picture of Lowe HF-235

SPECIFICATIONS

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:±30 Hz per hour @ 20°C (68°F)
±1 ppm @ 0 to 50°C (32 to 122°F), with high stability option
Mode:AM / SSB / CW (FM and AM-Sync (AMS) option)
Channels / memory management: 30 regular
Power supply:Mains: 100-120 / 200-240 VAC (3-pin IEC C14 connector)
or 12-40 VDC
Current drain / power consumption:300-400 mA
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):Overall: 483*88*320 mm (19*3.46*12.6")
Weight:5.5 Kg (12.13 lb)
Other features:PC-control option. 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: <1.5 uV
2-30 MHz: <1 uV
FM (No reference)
0.06-2 MHz: <1.2 uV
2-30 MHz: <0.9 uV
SSB (No reference)
0.06-2 MHz: <0.7 uV
2-30 MHz: <0.5 uV
Selectivity: AM/AMS/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)
10.5 KHz (-6 dB), 21.5 KHz (-60 dB)
FM
12 KHz (No reference)
CW
2.3 KHz (-6 dB), 3.4 KHz (-60 dB)
Image rejection:
AF output power / speaker:2.5 W at 5% distortion / 8 ohm
3.5 W at 5% distortion / 4 ohm
External speaker connector:




MISCELLANEOUS
Manufactured:England, 1990-199x (Discontinued)
Additional info:
Related documents:User manual (7.5 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
C-235
D-225
HF-235/F
HF-235/H
HF-235/R
S-225
Desktop case
FM and AMS detector unit
FAX mode substituted for LSB mode
High stability option (TCXO)
Remote control option (RS-232C)
External speaker, 8 ohm