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SDR receiver - The module PSDR
PSDR is a compact module of a powerful HF software defined radio receiver with crystal oscillator with exchangeable crystals and external input for HF oscillator. Module is designed for simply use in base and portable amateur radio station.
Price without VAT:22.59 $
Price with VAT:27.34 $
On stock:10 pcs
Status:On stock
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Manufacturer: Pandatron RoHS: YES
Part Number: PSDR-1 VAT: 21 %
Warranty: 24M (OEM)
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PSDR is je compact module of powerful SDR receiver with crystal oscillator with exchangeable crystals and external input for oscillator. On input part is simple filter for separation of undesirable signals. Filter is followed by a mixer with a Johnson counter and a quadruple bandpass filter, ensuring a high selectivity and purity of the output signal. The filtered signal is further amplified by low noise amplifiers with bandwidth up to 140 kHz, CMRR = 100 dB (type).

SDR receiver block scheme, using computer sound card

The mixing signal is obtained from a crystal oscillator with contacts for easy insertion and removal of the desired crystal. Used crystals range is approx. 3 to 25 MHz. Or even more simply by changing the capacitors. The received signal is in this case always XTAL / 4. Another option for obtaining mixing signal is use input (with BNC type connector) with an external oscillator.

Also high frequency input signal from aerial (or even better from tunable aerial element) is connected using BNC type connector. Output I/Q signals are connected through isolating capacitors on 3.5 jack stereo type connector. From there is signal connected to Line-in audio input on computer (using classic stereo cable). Switch of left and right channel isn’t critical, it is possible to change configuration in application.

Basic features:
  • Powerful HF software defined receiver
  • Received frequencies from 50kHz to 24MHz type (with external generator)
  • Exchangeable crystals between 3 and 25MHz (after adjustment even more)
  • External HFO (<100MHz) with BNC connector
  • Can be used with cheap audio card because of high quality pasmovy filter
  • Compatible with application for Softrock receivers (WinRad, Rocky, PowerSDR, M0KGK SDR)
  • Supported modulation: AM, FM, LSB, USB, CW, DRM, ECSS (Winrad)
  • Sensitivity better than 0.6uV
  • Surface mounting ensures high quality and durability
  • Supply voltage 12V approx. 50 mA
  • Supplied with 80m band crystal
  • Ozivene and tested
DOCUMENTS TO DOWNLOAD:
PSDR-1.zip
Basic technical documentation for the module - deployment diagram and parts.
File size: 174.5 kB
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