Krystaly, Hradec Králové, a.s.
 
Crystals for hobby modeller radio image

Crystals for hobby modeller radio

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 <

 
 
 

HC-50 / 52 cases

Outline dimensions [mm]

HC 50
1.modification (with glued tags)

2.modification (with a plastic sleeve)



HC 52
1.modification (with glued tags)

2.modification (with a plastic sleeve)

 
 
 

KRYSTALY 

Hradec Králové, a.s. 
Okružní 1144 
500 03 Hradec Králové 3 
Česká republika