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TagAM Anjan ATS-909X CR-200 D39L DE1103 DEGEN DEGEN 1103 DEGEN DE1103 digital digital radio DSP DTS-09 FM FM radio full-band radio GRUNDIG kchibo Kchibo D39L KESTREL MW PL-600 pl-660 PL600 Pocket portable radio radio.Reviews Radio Review Received redsun Reviews S2000 SANGEAN Sanyo Shortwave Sony stereo SW tecsun tecsun PL-600 Tecsun PL300WT Tecsun PL600 tecsun Radio World
Monthly Archives: June 2012
The small gray machines occupy your briefcase 225 * 132 * 35 mm of space. The front panel of the machine than most portable confidential, but compared to, but very thin. The aircraft used four batteries, the battery on the back of the battery compartment. According to the voice and th More →
Digital filter design, high performance selective mirror and anti-interference.
Dual 16Bit DAC with low distortion audio output.
Use multi-level AGC circuit, a good strong suppression to the signal interference .
Resolution of 1dB of the high-frequency signal to noise ratio and antenna input signal strength indicator.
Built-in high-speed MCU circuit (use to the AGC the AFC IIC PGA VOLCRT …….).
AM band of the automatic tuning circuit.
High-definition LCD display, and work status at a glance.
Receive FM (campus radio), medium wave and short wave band.
Use the U.S. special software radio digital processing chip, a more favorable performance, receiving a stable and reliable.
Three selected sets of ways: More →
FM / shortwave / medium wave / long wave of international reception.
FM frequency range :76.0-108 .0 MHz (covering school band), step length 25K.
AM (with shortwave. Mediumwave. Longwave) frequency range :100-29999KHz, step 1K.
AM-band high-frequency (55.845MHz) second frequency, high sensitivity, high resistance to interference.
Shuttle / auto search / memory / direct input four kinds of tuning. More →
1.The gap is a little big, but the overall structure gives the impression was good.
2.The button to make people feel better.
1.Circuit process using single-layer board with more fly lines ,the internal processes is rough.
Precision molds and proces More →
Last night I saw the circuit diagram of SONY ICF-5500.Then I want to compair with the Hong Deng radio which make in China.
The circuit diagram of SONY ICF-5500：
The circuit diagram of the HongDeng 754
I test them with the MW:
In order to accurately know the receiver frequency and t More →