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JRC NRD-535
JRC NRD-535DB
Shortwave Receivers

Discontinued!

Replaced by
the
NRD-545

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Accessories

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Previous Models:
NRD-525
NRD-515
NRD-505

Discontinued Communication Receivers 

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JRC NRD-535D | Specifications | Rear View | Accessories

JRC NRD-535

The Japan Radio Company NRD-535 affords general coverage reception from 90 to 30000 kHz in AM, USB, LSB, CW, RTTY, FAX and narrow FM modes. A triple conversion superheterodyne circuit is employed to provide superb sensitivity and image rejection. Japan Radio has designed a special high-speed 1 Hz step PLL synthesizer to provide you with 1 Hz tuning resolution never before available. Display resolution is 10 Hz via a gorgeous display. A sophisticated 200 channel non-volatile scanning memory stores frequency, mode, AGC, ATT and IF filter selection. Channels can be scanned at a user-defined rate (.5 to 5 seconds/channel). Sweep reception can be adjusted from .05 to .5 seconds/step. Japan Radio's reputation for extreme stability continues with only ± 2 PPM drift (after 1 hour) making the NRD-535 the inevitable choice for the demanding non-voice modes such as Morse code, RTTY and FAX. Four independent filter positions are available. The WIDE position features a 4 kHz (@ -6dB) filter. The INTERmediate position features a 2 kHz (@ -6dB) filter. The NARRow and AUXiliary positions are not filled. (An empty AUX position results in a +12 kHz bandwidth). The AUXiliary positions can be used to mount optional filters. Any filter may be used with any mode (except FM). This is an exceptional feature that provides listener flexibility. The keypad features both MHz and kHz input. The dual-width noise blanker can be used to reduce or eliminate pulse noise (like auto ignition or the "woodpecker"). Other front panel controls include: SQUELCH, AF and RF GAIN and TONE. An AGC button permits the selection of AGC FAST, SLOW or OFF. The DIMMER button offers four brightness display levels. A built-in 24 hour clock timer is provided. The TIMER permits unattended listening/recording. The receiver can be programmed to be turned on at a particular time (on a set frequency, mode, bandwidth, etc.) and then turn off at a programmed time. A timer-out terminal connection is provided on the back panel of the set to activate a tape recorder. The NRD-535 contains a built-in RS-232 computer interface. There are antenna inputs for wire or coax fed. The AC input voltage is user selectable.

The NRD-535 offers Pass Band Shift (PBS). This effective control varies the apparent intermediate frequency for the IF filter by ± 1 kHz without changing the receiving frequency. This is a powerful means of eliminating or reducing troublesome adjacent channel interference. Because of the overcrowded nature of today's HF spectrum, annoying heterodynes can be found with increasing regularity. The Notch Control permits the listener to go into the signal and sharply "slice-out" the offending tone with very little loss in fidelity to the desired station. Notch attenuation is -40 dB or more.


The Japan Radio NRD-535DB includes the:  CFL-243, CMF-78 and CFL-233 factory installed. Wih the improved CFL-243 Bandwidth Control Option. You can adjust this control to narrow the 2 kHz filter or the 4 kHz filter in 10 Hz steps without varying its center frequency, ensuring effective interference rejection. This control functions in the SSB/CW and AM modes. It is a powerful tool to extract a desired signal from the crowded passband. Perhaps the most exciting feature in the NRD-535D is the CMF-78 Exalted Carrier Selectable Sideband (ECSS) circuit. Often when receiving an AM signal you will encounter interference from an adjacent station. The interference will manifest itself on either the upper or lower sideband of the signal you are trying to hear. The ECSS feature will select the sideband that is not affected and deliver the signal to you with high tonal quality. The D model also includes the CFL-233 1000 Hz Filter, popular with RTTY enthusiasts.

Accessories
Order # Item Description Price Order #
  6ZCJD00350 This preassembled 6½ foot cable connects the NRD-535 to a DB25-type serial computer port. (If you have a newer PC with a DB-9 serial port, you will then need a DB-25F to DB-9F port adapter). Discontinued
  CGD-135 This high stability option virtually eliminates drift. VIEW Discontinued
  CFL-218A This filter provides nice selectivity for SSB and also for wide shifted (850 Hz) RTTY. Discontinued
  CFL-232 This 500 Hz filter is great for CW or narrow shifted RTTY. Discontinued
  CFL-243W BWC Bandwidth control option [included in NRD-535D
Use with: NRD-535.
Discontinued
  CMH-530 This internally mounted board will permit the reception of common amateur RTTY at 45 and 50 baud Baudot in three shifts: 85, 200 and 425 Hz. Speed and shift are selected by the numeric keypad. The RTTY output is to a parallel printer port on the NRD-525 and to the RS-232C port on the NRD-535D. Tuning scope output is provided. Discontinued
  CMH-532 This option permits computer control of the NRD-535 via the serial port of most computers. Advanced monitoring function, such as automatic tuning and customized scanning are possible. Cable and software are not provided. Discontinued
  NVA-319 This speaker is sized and finished to match the NRD-535. With built-in audio filters. 4 ohms. With cable. INFO Discontinued
  OM NRD535 Printed Owner's Manual. Discontinued
  SM NRD535 Printed Service Manual. Discontinued
#5721 CD NRD535 Computer CD with Service Manual and Owner's Manual PDF files. $  25.00
#4474 ERGO 4 Creative Express ERGO 4 Windows 95 Software CD control package. Computer control and so much more. Click here for more information. $134.95
  ST-3 Deluxe monoral communications headphones. Includes padding on ear pieces and head band. With 1/4 inch 2 conductor plug. INFO Discontinued


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