shortwaveradio.ch

Diese Seite ist nicht editierbar. Sie können den Quelltext sehen, jedoch nicht verändern. Kontaktieren Sie den Administrator, wenn Sie glauben, dass hier ein Fehler vorliegt.
====== Sony CRF-150 ======
Manufactured by [[Sony Corp.]], Tokyo.

As a smaller brother of the [[CRF-230]], Sony launched two somewhat smaller portable radios in the late 1960s, covering long and mediumwaves, a combined [[mb|tropical band]] range and nine shortwave broadcast bands, in these 600 kHz wide ranges, the receiver acts as double conversion superhet.

The Sony **CRF-150** was the basic version without single sideband reception, its twin, the [[CRF-160]] was equipped with a [[BFO]] and thus capable to demodulate [[CW]] and [[SSB]] signals, for example from radio amateurs.
{{:images:sony-crf150.jpg?500|Sony CRF-150}}
===== Technical data =====
  * [[Principle]]: [[Double conversion superhet]], [[IF]] LW, MW, SW1 455 kHz; SW2-SW10 1600-2200 kHz and 455 kHz / FM 10.7 MHz
  * [[Operation modes]]: [[A3|AM (A3)]], [[F3|FM (F3)]]
  * [[Frequency range]]: FM broadcast band, LW, MW, 10 x SW (120 - 11 m)
  * [[Frequency display]]: Analogue dial, accuracy approx. 25 kHz
  * [[Frequency memory]]: none
  * [[Signal strength indicator]]: [[S-Meter]]
  * [[Signal processing]]: two bandwidths, **no** BFO
  * [[Features]]:
  * [[Sensitivity]]: [[A3|AM (A3)]] / [[Selectivity]]: kHz (-6/-60 dB)

==== Power supply ====
  * [[Mains operation]]: 110 - 120, 220 - 240 V
  * [[Batteries]]: 6 x 1.5 V ([[UM-1]])

==== Dimensions ====
  * 340 x 275 x 144 mm, weight 7 kg

==== Accessories ====

{{:images:sony-crf150-front.jpg?500|Sony CRF-150}}
===== Operation =====
The **Sony CRF-150** is a double conversion set with a considerable size. The 34 x 27.5 x 14.4 cm wide set has a weight of 7 kg. It can be operated from 110 or 220 V mains power or with 6 large [[UM-1]] mono cells.

The front panel of the Sony CRF-150 consists of three parts: the speaker grille at the top, the dials and tuning knobs in the middle and the receiver controls at the bottom.

At the bottom left, next to the headphone jack, is the main switch. Next to it, you find the volume control, the separate controls for treble and bass and the switch for the two IF bandwidths. The keys for the band ranges are reminiscent of the push-buttons on radios from the 1950s; the key SW2-SW10 activates the [[turret tuner]] with the spread shortwave ranges.

The wavebands are FM broadcast band 87.5-108 MHz; MW 530-1605 kHz; LW 150-400 kHz; [[mb|SW1]] 1.6-4.5 MHz and the double conversion ranges SW2 4.7-5.3 MHz; SW3 5.8-6.4 MHz; SW4 7.0-7.6 MHz; SW5 9.5-10.1 MHz; SW6 11.6-12.2 MHz; SW7 15.0-15.6 MHz, SW8 17.5-18.1 MHz; SW9 21.4-22.0 MHz; SW10 25.5-26.1 MHz. Out-of-band frequencies between the shortwave broadcast bands are not covered.

At the left of the dial window, there is a pilot lamp for mains operation and a small rotary knob for moving the calibration mark in the shortwave bands, below the S-meter, there are the switches for dial illumination and the [[AFC]] which is effective in the FM broadcast band.

The shortwave band selected with the [[turret tuner]] is displayed at the top of the middle dial window; in the 600 kHz segments, the tuning is linear. By means of the calibration marks, - when receiving a station on a known frequency, the calibration marks can be corrected manually -  a frequency can be estimated with an accuracy of less than 25 kHz. The accuracy is not sufficient to determine frequencies of stations in the 5 kHz channel grid.

Below the spread shortwave ranges are the dials for the [[mb|tropical band]] ranges 120 - 75 m, the medium and longwave, in these ranges, the reading accuracy is poor to sufficient. The upper tuning knob is used for tuning in the AM ranges, the lower tuning knob for the FM broadcast band. The large rotary switch for operating the turret tuner is located on the right face of the set. Similar to the old Grundig satellites, it gives a good "switching feel", although some effort is required.

{{ :images:sony-crf150-back.jpg?200|Sony CRF-150}}The operation is not challenging for anyone: switch on, select the spread shortwave bands with the SW2-SW10 key, select and tune the desired band with the turret tuner, adjust the volume - done. Single-sideband reception of transmissions from radio amateurs can only be done with the older twin [[CRF-160]].

===== Technical principle =====
Single conversion on LW to SW1, double conversion on SW2-SW10, analogue display.

==== Components ====
The set is equipped with semiconductors.

===== Technical documentation =====
  * {{ :manuals:sony-crf-150-service-manual.pdf |Service Manual}}; engl.

==== Development ====

{{gallery>:images?sony-crf150*.jpg&0&80x80&lightbox&showtitle&titlesort}}
==== Further information ====
  * [[https://www.radiomuseum.org/r/sony_crf_150.html|Sony CRF-150 on www.radiomuseum.org]]