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Details about  40m transceiver kit

40m transceiver kit See original listing
40m-transceiver-kit
Item Ended
Item condition:
New
Ended:
02 Mar, 2013 19:24:14 GMT
Price:
£29.99
[
History:
]
Postage:
£3.00 Standard Delivery | See details
Item location:
Barnet, United Kingdom

Description

eBay item number:
181072475508
Seller assumes all responsibility for this listing.
Last updated on  09 Feb, 2013 19:17:44 GMT  View all revisions

Item specifics

Condition:
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
Frequency Band(s):

HF

Supported Modes:

AM, SSB, CW

 

HF transceiver Kit 40m (7.0MHz – 7.11MHz)


* Output power: 1w .
* Frequency 7.0 -7.11MHz band width is about 110 KHz for both TX and RX
* Output impedance 50 ohm.
* Voltage 10v-14v (15v maximum)
* Double side board
* Protection diode for wrong polarity
* Two ne602 ICs one for oscillator and the other for mixer
* Side tone stage so that you can hear the mores tone when you transmit.
* RIT control switch (receiver incremental tuning), to adjust the receiver frequency without changing the transmitter frequency.
* RF gain control
* 3 kHz audio filter
* Audio Primary amplifier and audio power amplifier
* LED power indicator
* 100mm*75mm
* RF power transistor with heat sink

* NPO capacitors for VFO stage


Just 100mm x75mm transceiver, the receiver section is direct conversion receiver with side tone to hear what you transmit (for Morse code), the transceiver has RIT switch. RIT (receiver incremental tuning) this is a fine tuning control used for CW operation which allows the operator to adjust the receiver frequency without changing the transmitter frequency. You also use it as a fine tuning

The transceiver has audio primary amplifier, audio filter stage with cutout frequency about 3 KHz and audio power stage.

The transceiver has VFO stage and mixer stage (2 ICs “ne602”, one for each stage).

The transmitter use two transistor one for RF primary amplifier and the other transistor for RF power amplifier.

The transmitter has low pass filter (LPF) (3 elements, one coil and two capacitors) in the final stage.

The transceiver has 3 variable resistors, one for RF gain, the other one for tuning and the last one for RIT tuning

 

Please note this is a kit you have to assemble it by yourself.

Please note the frequency counter is not included (but I include cable with any transceiver Kit to connect it to frequency counter (please check my other items for frequency counter).

Please go to   jjjelectronics.co.uk to download the instruction manual and the circuit diagram.

Contents

Top quality PCB, 4 transistors  ,5 Integrated circuits ,5 diodes, 6 fixed inductors , one variable inductors ,30 resistors, about 42 capacitors,one trimmer capacitor, small switch, 3 variable resistors,6 pin terminal ,two 2way connectors ,LED , heat sink and cable

Please note Solder and speaker are not included


 

 

Please check my other items


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