HF-2050

Specifications    Prices

First grade general purpose VLF / LF / MF / HF receiver with double/triple frequency-conversion and digitized on last IF. Input range 0.014-30 MHz. Built-in test capabilities. Ideated in USA.

Reference market : professional

HF-2050 specifications

General
Frequency coverage
0.0140 ~ 29.9999 MHz
Mode
CW / LSB / USB / ISB[1] / AM / FSK[1]
Tuning step
10 Hz min
Receiver
Sensitivity
SSB< 1.5 uV (0.014~0.5 MHz, 10dB S+N/N)
< 0.42 uV (0.5~30 MHz, 10dB S+N/N)
Selectivity
CW0.3 KHz (-3dB, narrow)
1.0 KHz (-3dB, wide)
SSB / ISB2.8 KHz (-3dB)
AM3.2 KHz (-3dB, narrow)
6.0 KHz (-3dB, wide)
NF (Noise Figure)
15 dB max (0.5~30 MHz)
IP2 (2nd order intercept point)
> +40 dBm
IP3 (3rd order intercept point)
> +25 dBm
Image rejection
> 80 dB
IF rejection
> 80 dB
AGC (Automatic Gain Control)
Fast, slow, adjustable
100dB of manual range
Frequency stability
± 0.1ppm with temperature from 0°C to +50°C
± 0.05ppm/month (aging)
IF (Intermediate Frequency) [2]
99 MHz
3 MHz
Features
Memory
100 regular memories
Display
10 Hz frequency resolution
Power supply
100~120 / 220~240 VAC
Power consumption
100 W max [3]
Audio power
2.5W on 8Ω (speaker)
10mW on 600Ω (line)
Audio output
Jack 6.35 mm headphone
Connections
RS232C / RS422 for PC control
0.1 MHz frequency reference input
balanced audio output
Mechanical and environmental data
Operating temperature
from 0°C to +50°C
Dimensions
482 (W) x 133 (H) x 458 (D) mm
Weight
14.5kg

  1. Optional.
  2. 14~500 kHz band up-converted to 12.014~12.5 MHz before its application to the first mixer.
  3. Typical value much lower.
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HF-2050 description :

The Rockwell Collins HF-2050 is a ibrid analog/digital receiver with input range from 14 KHz (VLF band) up to 30 MHz (HF band). On 0.5 to 30 MHz the receiver adopt an up-conversion at 99 MHz were a crystal filter provide the first selectivity, for 0.014 to 0.5 MHz band instead all signals will be translate to mid-HF before its application to the first mixer. After the second IF an Analog-to-Digital circuit convert the tuned signal for the DSP, within the processors are the firmware algorithms to perform the CW/SSB/AM filter responses and demodulations.

Front panel controls have been thoughtfully designed for quick access to all operating parameters. Tuning is accomplished by the numeric keypad, with tuning knob (rate selectable), with preset channels, via remote control interface. The HF2050 has a Built-in-Test Equipment (BITE) for fault isolation to the card level. In overal terms the Collins HF2050 exhibit a high performance front-end, with +25dBm of IP3, and a low noise local oscillator synthesizer. Other features include the noise blanker (NB) with adjustable threshold, ±4000 Hz BFO, voice-squelch (with signal-to-noise detector), selectable AGC, 100 regular memories (each channel containing mode, bandwidth, AGC, BFO), remote control interface, high Mean-Time-Between-Failure (MTBF) value. Optional features on the other hand include the external preselector port, FSK modem, ISB demodulator.

HF-2050 performance and practical notes :

The Collins HF-2050 is a robust desktop radio with built-in RF overload protection circuit, the receiver is protected to +47dBm at antenna input. High grade is also the reciprocal mixing, for a desired signal of 1uV and an undesired signal of 700mV located 200 kHz away from the tuned frequency (on 2~30 MHz band) the S/N ratio shall not be degraded to less than 5 dB.

HF-2050 price

We have collected for your convenience the Rockwell Collins HF2050 sale price (UK Pounds) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.

Price Date Condition
GBP 1335.00
(1700USD)
2019-jan Second Hand

Excellent working conditions

GBP 805.00
(1149USD)
2016 Second Hand

HF-2050 review

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