Crystals for hobby modeller radio

Typical application
Crystals for hobby modeller radio. Designed for remote control models of many worlds marks.

Features
Transmitters (radiotransmitters, TX), receivers for single mix (RX), receivers for dual mix (RX DS). AM or FM modulation.

Assembly, taping
Cases for modeller crystals (HC-50 and HC-52 series) are through hole types.
Modeller crystals can be delivered with a plastic sleeve or with glued tags.

Offer
We offer crystal units for model sets of many words marks,
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 above marks

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

Values according to the customer, respectively. according to the required compatibility with the manufacturer of model kit. 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 <