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


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. Complete modular design facilitates service and the addition of optional boards. 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-243W, CMF-78 and CFL-233 factory installed. With the improved CFL-243W 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. The D model also includes the CFL-233 1000 Hz Filter, popular with RTTY enthusiasts.

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]. INFO Discontinued
  CMF-78 ECSS feature will select the most robust sideband received to reconstitute the signal [included in NRD-535D]. INFO 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. INFO 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
#6877 OM NRD535 Printed Owner's Manual (original). $24.95 Order
#6371 OM NRD535 JP Printed Owner's Manual in Japanese (original). VIEW   VIEW PAGE. $14.98 Order
  SM NRD535 Printed Service Manual. Discontinued
#5721 CD NRD535 Computer CD with Service Manual and Owner's Manual PDF files. $  25.00 Order
  ST-3 Deluxe monaural communications headphones. Includes padding on ear pieces and head band. With 1/4 inch 2 conductor plug. INFO Discontinued
#6885 BOARD PULL Pair of circuit board pullers. VIEW $5.98 Order
#3554 5ZBAB000047 Battery for CPU board [CDC-4893AD]. VIEW   VIEW PKG. $9.98 Order
#3564 5ZZEG00001 Fuse holder & voltage selector assembly. VIEW   VIEW REAR $28.98 Order
#6250 LIT NRD535 NRD-535 color brochure. Opens to 6 pages. VIEW $7.95 Order
  IBS WP-NRD535 International Broadcast Services  I.B.S. Whitepaper  by Larry Magne
An exhaustive technical analysis, review and rating of this receiver.
#1305 DEO RG-2000U Receiver Guard RF protection device. INFO $18.98 Order

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