Crystals for hobby modeller radio
Přehled výrobků
General application
Crystals for hobby modeller radio, designed for remote control models of many leading brands.
Features
Transmitters (radiotransmitters, TX), receivers for single mix (RX), receivers for dual mixing (RX DS). AM or FM modulation.
Assembly, taping
Cases for modeller crystals (HC-50 and HC-52 series) are designed for through hole mount.
Modeller crystals can be delivered with a plastic sleeve or with glued tags.
Offer
We offer crystal units for model sets of many leading brands,
for example: Multiplex, Graupner, Futaba, Hitec, Am, Acoms and more
We can produce any modeller crystal according to specification, or by sent sample.
Contact us with your inquiry.
Compatibility
We guarantee 100% compatibility with the aforementioned brands.
Typical specifications
| Parameters | transmitters, receivers for single mix, receivers for dual mix |
|---|---|
| Band | 27, 35, 36, 40, 41, 72, 75MHz |
| Case | HC-50/U, HC-52/U |
| Overtone | 1. or 3. |
| Freq. adjustment tolerance at 25 °C | ±7.5, ±10, ±20 x 10-6 |
| Frequency stability | ±8 ppm in -10°C … +50°C ±20, ±30 ppm in -20°C … +70°C |
| Equivalent series resistance | 15Ω, 20Ω, 35Ω, 40Ω (by overtone, frequency and by cases) |
| Load capacitance | series resonance, CL= 5 … 50 pF |
| Marking | channel number on the top, frequency and channel number on the side |
The parametres are in accordance with customer needs and the required compatibility with the model kit manufacturer. Differences from standard values and other parameters can be consulted.
Basic overview
| Band [MHz] | Channel | Type | Case | Modulation |
|---|---|---|---|---|
| 27 | 1 – 30 | TX, RX | HC 50 | AM |
| 35 | 61 – 80 | |||
| 35 | 61 – 80 | TX, RX | HC 50 / 52 | FM |
| 182 – 191 | TX, RX, RX DS | |||
| 255 – 260 | ||||
| 281 – 290 | ||||
| 36 | 601 – 659 | TX, RX, RX DS | HC 50 | FM |
| 40 | 50 – 92 | TX, RX, RX DS | HC 50 | AM |
| 40 | 41 – 59 | TX, RX, RX DS | HC 50 | FM |
| 81 – 92 | ||||
| 41 | 400 – 420 | TX, RX, RX DS | HC 50 | FM |
| 72 | 911 – 960 | TX, RX, RX DS | HC 52 | FM |
| 75 | 961 – 990 | TX, RX | HC 52 | FM |
> Overview of frequency bands, frequency and channels by model kits manufacturers <
