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Last modified 2023-11-04

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Watkins-Johnson HF-1000 / HF-1000A

A picture of Watkins-Johnson HF-1000 / HF-1000A

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range: 0.05-30 MHz
Tuning steps:1 / 10 / 100 Hz, 1 / 10 / 100 KHz, 1 / 10 MHz
Also user programmable in any step size from 1 Hz to 25 KHz
Frequency stability:1 ppm (No temperature reference)
Mode:AM / Sync-AM / FM / SSB / ISB / CW
Channels / memory management: 100 regular
Power supply:Mains: 97-253 VAC (3-pin IEC C14 connector)
Current drain / power consumption:35 W
Antenna impedance / connector:50 and 450 ohm / BNC
Dimensions (W*H*D):483*133*508 mm (19*5.25*20")
Weight:6.8 Kg (15 lb)
Other features: DSP. NB. Notch filter. Dual IF outputs (455 KHz). PBT.
RS-232C computer control.




RECEIVER SECTION
Receiver system: Triple conversion superheterodyne
1st IF: 40.455 MHz
2nd IF: 455 KHz
3rd IF: 25 KHz
Sensitivity: AM (10 dB S+N/N), preamp off
0.5-30 MHz: 1.58 uV
SSB (10 dB S+N/N), preamp off
0.5-30 MHz: 0.56 uV
CW (10 dB S+N/N), preamp off
0.5-30 MHz: 0.35 uV
Selectivity:59 selectable bandwidths between 56 Hz to 8 KHz!
Image rejection:90 dB
AF output power / speaker:1 W at 3% distortion / 8 ohm
External speaker connector:




MISCELLANEOUS
Manufactured:USA, 1993-1994 (Discontinued)
USA (A version), 1995-1999 (Discontinued)
Additional info: The "A" version is a later production run with conventional
audio jacks, lower RFI and other improvements.

New price 1993 in the US: $3799.00
New price 1994 in the US: $3995.00 (MSRP)
Related documents:
Modifications and fixes:
Reviews: Monitoring Times: November 1995, page 102
QST: December 1994, page 76
Options / Accessories:
? Internal preselector