Novak XXtra FM Synthesized Receiver - Manual

RECEIVER OPERATION MANUAL
THE NOVAK XXTRA RECEIVER
Novak introduces the world’s first small size, light weight,
low power synthesized receiver for R/C cars and boats.
Forget those extra receiver crystals, now selecting the
frequency channel is as easy as rotating two switches.
Based on the rock-solid XXL circuitry, the XXtra adds a
crystal-controlled phase locked loop oscillator, and five
output channels for the ability to control extra servos.
With outstanding range, superior noise rejection, low
voltage operation
(down to 3.0 volts DC) , and solid state
reverse voltage protection, the XXtra outperforms the
competition. The XXtra works with all popular radio
systems and DSC
(Direct Servo Control) connections, and
accepts Futaba, JR, Sanwa, Hitec, & new KO connectors.
SPECIFICATIONS
Case Size .......... 1.65”x1.12”x0.52”
(41.9x28.4x13.3mm)
Weight ................................ 0.58 ounce (16.33 grams)
Number of Channels .............................................. Five
Usable Sensitivity ................................... 3.0 microvolts
Bandpass ................................. 50 dB down @
± 7.5 kHz
Adjacent Channel Rejection .......... >60 dB @ ± 10.0 kHz
3OIP (Third Order Intercept Point) ............................... >+4 dBm
Voltage Range ............................... 3.0 to 10.0 volts DC
Antenna Length .......................... 18 inches (45.72 cm)
Current Consumption ....... 18.0 mA
(over full voltage range)
The XXtra has been factory tuned and requires no further
tuning. This section describes how to select frequency channel.
1. Frequency band is marked in purple circle on case label.
2. To set the frequency channel to match your transmitter,
simply adjust the ten position rotary switches using a
#1 phillips or small
(1/8”) flat blade screwdriver, rotate
switches until they point to the proper channel numbers.
• The 75 MHz receiver has 2 number sets on the 1st DIGIT
switch. Top numbers are for Hitec & Futaba transmitters.
Bottom numbers are for JR, Sanwa/Airtronics, KO, & Multiplex
(MPX) transmitters. The 2nd DIGIT switch has 10 positions.
To adjust a 75 MHz receiver to channel 76 (75.710 MHz)
for use with a Futaba transmitter, rotate the 1st DIGIT
rotary switch to the ‘7’ position on the top, then rotate
the 2nd DIGIT switch to the ‘6’ position.
• The USA 27 MHz receiver has only 1 rotary switch. With
only 6 channels allowed on 27 MHz, there is no need
for the 1st DIGIT switch. To adjust this receiver rotate
the “2nd DIGIT” switch to desired frequency channel.
• All other receiver bands have two rotary switches, and
adjust by rotating the “1st DIGIT” switch to the first
number of the desired frequency channel, then rotating
the “2nd DIGIT” switch to the channel’s second number.
• EURO 40 MHz receiver channels are equal to the 3rd &
4th digits of the frequency. Adjust a 40 MHz receiver to
channel 67
(40.675 MHz) by rotating the 1st DIGIT switch
to the ‘6’ position and the 2nd DIGIT switch to the ‘7’.
3. Transmitter crystals MUST be made by the transmitter maker
and be on the same modulation and frequency band.
EXAMPLE: Futaba FM/75 MHz transmitter crystal must
be used with Futaba FM/75 MHz transmitter.
Transmitter crystals are usually marked “TX”.
STEP 1
RADIO FREQUENCY CHANNEL SELECTION
The XXtra receiver will accept Futaba, JR, Hitec, new-style
Sanwa/Airtronics (the blue color Z connector), and new-
style KO input plugs. These two sections (Step 2 is broken
up into two different sections depending on which brand of
servo or speed control you have) describe how to connect
and/or change the plug plastics and wiring based on the
brand of radio system components you have.
• JR •
• Insert the plug plastic of the servo or ESC’s input harness
into the receiver with the BROWN wire toward the
outside/bottom edge of the case (marked NEG on label).
• Hitec • Futaba • New KO • Air Z •
• Insert the plug plastic of the servo or ESC’s input harness
into the receiver with the BLACK wire toward the
outside/bottom edge of the case (marked NEG on label).
STEP 2
INPUT PLUGS(Futaba, JR, Hitec, new KO/Sanwa/Air)
With some older ESC’s and servos, the sequence of the wires
in the plastic connector housing needs to be changed.
This is important, because the electronics inside the receiver
may be damaged if the wiring sequence is incorrect.
Changing the sequence is easy to do as described below.
• Old-Style KO •
• Interchange the red and black wires in the KO plug
plastic of the input harness as shown in the figure below.
• Insert the input plug into the receiver with the BLACK
wire toward the outside/bottom edge of the case.
• Old-Style Sanwa/Airtronics •
• Interchange the middle black and red wires in the plug
plastic of the input harness as in the figure below.
• Trim the plug plastic* as needed to fit into the XXtra.
*Contact Novak to get JR style plug plastics if you do not want to trim.
• Insert the input plug into the receiver with the middle
BLACK wire toward the outside edge of the receiver.
With a small flat blade screwdriver, gently lift the plastic prong
until the wire and metal socket easily slides out of the plastic
housing. Repeat for each wire.
STEP 2
INPUT PLUGS (Sanwa/Airtronics & old KO)
The XXtra should be mounted so the receiver ‘floats’ to
avoid damage from vibration or shock, and position it
where the case will not contact other rigid surfaces.
DO NOT USE TIE WRAPS TO MOUNT RECEIVER!
1. Electric Cars & Boats––Mount XXtra with the included
double-sided tape as close to antenna mast as possible.
2. Gas Cars & Boats––Cut the included double-sided tape
in half and double-layer it for extra dampening.
Do Not use glue to mount the receiver!
3. Tubular Plastic Antennas––Run the antenna wire up
through the plastic antenna tube and let the excess
wire trail out the top of the tube.
4. Rigid Antennas––Wrap antenna wire around the mast
with 1/4” spacing. Shrink wrap or tape the top to secure
the wire and let the excess trail off the top of the mast.
Do not cut or coil excess wire––Range will be reduced!
STEP 3
MOUNTING INSTRUCTIONS
• 29 MHz •
RECEIVER CHANNEL FREQUENCIES
CHANNEL # FREQUENCY (MHz)
10 29.725
11 29.735
12 29.745
13 29.755
14 29.765
15 29.775
16 29.785
17 29.795
18 29.805
19 29.815
20 29.825
21 29.835
22 29.845
23 29.855
24 29.865
25 29.875
26 29.885
27 29.895
28 29.905
29 29.915
30 29.925
31 29.935
32 29.945
33 29.955
34 29.965
35 29.975
36 29.985
*TRANSMITTER CRYSTAL MUST BE SAME MAKER
AND FREQUENCY BAND AS TRANSMITTER
• EURO 40 MHz •
RECEIVER CHANNEL FREQUENCIES
CHANNEL # FREQUENCY (MHz)
66 40.665
67 40.675
68 40.685
69 40.695
70 40.705
71 40.715
72 40.725
73 40.735
74 40.745
75 40.755
76 40.765
77 40.775
78 40.785
79 40.795
80 40.805
81 40.815
82 40.825
83 40.835
84 40.845
85 40.855
86 40.865
87 40.875
88 40.885
89 40.895
90 40.905
91 40.915
92 40.925
93 40.935
94 40.945
95 40.955
96 40.965
97 40.975
98 40.985
99 40.995
*TRANSMITTER CRYSTAL MUST BE SAME MAKER
AND FREQUENCY BAND AS TRANSMITTER
• USA 75 MHz •
RECEIVER CHANNEL FREQUENCIES
CHANNEL # FREQUENCY (MHz)
61 75.410
62 75.430
63 75.450
64 75.470
65 75.490
66 75.510
67 75.530
68 75.550
69 75.570
70 75.590
71 75.610
72 75.630
73 75.650
74 75.670
75 75.690
76 75.710
77 75.730
78 75.750
79 75.770
80 75.790
81 75.810
82 75.830
83 75.850
84 75.870
85 75.890
86 75.910
87 75.930
88 75.950
89 75.970
90 75.990
*TRANSMITTER CRYSTAL MUST BE SAME MAKER
AND FREQUENCY BAND AS TRANSMITTER