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6

FAxM Series 

Instruction Manual

Specifications (Typical)

General

Power Requirements:  110 VAC to 260 VAC
Frequency:  47 to 63 Hz
Temperature Range:  0°  to +50° C
AC Current (l):  0.32 Amp for 115 VAC
Output Voltage:  +12 Vdc, + 5 Vdc
Max Current Output / Voltage: 0.7 Amp

Mechanical

Dimensions (WxHxD):  19 x 1.75 x 14.25 in
Weight:  7 lbs (approx)

Connectors (Back Panel)

Video Input:  "F" Type, Female
Audio Input:  RCA Phono
RF Output:  "F" Type, Female

Controls (Front Panel)

Channel Selection: Up/Down Push-Buttons
Video Level:  Control
A/V Ratio:  Control
Audio Level:  Control
RF Output Level:  Control
Channel Enter:  Push-Button

Indicators (Front Panel)

2 Digital LED Channel Display  

+100 Indicator: LED, RED
Video Over Modulation:  LED, RED
Audio Over Modulation:  LED, RED
Stereo Indicator: LED, GREEN - Not Used

RF

Frequency Range:  54-860 MHz
Channels:  CATV, VHF, UHF (STD,HRC,IRC)
FCC Offset (pre-programmed):  0, +12.5, or 25 kHz
Output Level - Combined Min:  +50 dBmV 
Output Level Adjust:  15 dB (k) 
Aural/Visual Carrier Ratio:  -10 to -17 dB (a)
Visual Carrier Frequency Tolerance 

  Standard Channels:  ±5 kHz 

  FCC Aeronautical Channels:  ±3 max kHz
4.5 MHz Aural Inter Carrier Frequency:  ±1 kHz (i)
Channel Selectivity: 

  Adjacent Aural and Below:   -40 dB 

  Adjacent Picture and Above:  -50 dB
Spurious Outputs:  -60 dBc
C/N Ratio In Channel:  63 dB (b)
Broadband Noise:  -70 dBc (b)
Output Impedance:  75 ohms
Output Return Loss:  12  dB

Video

Input Level:  1.0 V p-p (d) 
Frequency Response fv-0.5 MHz to fv+4.2 MHz: 

  ±1.0 dB
P-P Video to RMS Hum Ratio:  65 dB
Video Signal-to-Noise Ratio, NTC-7 Weighted:   

  62 dB
Differential Gain:  2.0 % (d) 
Differential Phase:  1.0 ° (d) 
C/L Delay Inequality:  see note(c)
Over Modulation Indicator:  87.5, ±2.5 %
Input Impedance:  75 ohm
Input Return Loss:  24 dB, min

Audio

Input Level:  140 mV RMS (e)
Frequency Range:  20 Hz to 20 kHz
Pre-Emphasis-Mono:  75 µs
Frequency Response:  ±1.0 dB (g)
If

 

Pre-Emphasis Defeated:  +0.5 dB

Audio Signal-to-Noise:  58 dB (e)
Total Harmonic Distortion:  0.6% (h)
Over Modulation Indicator :  25, ±2 kHz
Input Impedance:  Greater than 10 K ohm,  

unbalanced

NOTES

(a)   continuously adjustable

(b)  4 MHz bandwidth, +50 dBmV output, 3 channels combined

(c)   meets FCC CATV group delay pre-distortion requirements for 

color transmission

(d)  87.5% depth of modulation

(e)  for 25 kHz peak deviation

(f)  available via internal jumper setting

(g)  referenced to standard 75 µs pre-emphasis

(h)  30 Hz to 15 kHz, 25 kHz deviation

(i)  0 °C to +50 °C

(k)   continuously adjustable, optimum performance at  

+40 to +50 dBmV

(l)    AC current with 3 modules installed

Summary of Contents for FA1M-50-860

Page 1: ...blondertongue com 2007 Blonder Tongue Laboratories Inc All rights reserved Specifications are subject to change without notice Trademarks are the property of their respective owner FAxM Series Multi Channel Frequency Agile Modulators Model Stock No FA1M 50 860 59711B FA2M 50 860 59712B FA3M 50 860 59713B 651206700D ...

Page 2: ...scovered after unpacking the unit immediately file a claim with the carrier A full report of the damage shall be made and a copy forwarded to Blonder Tongue Laboratories Inc The company will then advise what disposition is to be made of the equipment PRECAUTIONS REQUIREMENTS Avoid Heat Buildup Allow 1 EIA rack space 13 4 between powered headend products in the equipment racks Ensure easy access to...

Page 3: ...e unit Retain all safety and operating instructions for future reference Heed all warnings on the unit and in the safety and operating instructions Follow all installation operating and use instructions Unplug the unit from the AC power outlet before cleaning Use only a damp cloth for cleaning the exterior of the unit Do not use accessories or attachments not recommended by Blonder Tongue as they ...

Page 4: ... objects may touch dangerous voltage points or short out parts This could cause fire or electrical shock Do not attempt to service the unit yourself as opening or removing covers may expose you to dangerous voltage and will void the warranty Refer all servicing to authorized service personnel Unplug the unit from the wall outlet and refer servicing to authorized service personnel whenever the foll...

Page 5: ...els with appropriate FCC offsets are pre programmed and tuned electronically via microprocessor The units accept any standard audio video source such as satellite receivers television camera video tape recorders or demodulators The advanced design ensures front panel access with LED indicators for all level and over modulation controls Features One Two or Three Combined Channels 54 860 MHz One 50 ...

Page 6: ...1 kHz i Channel Selectivity Adjacent Aural and Below 40 dB Adjacent Picture and Above 50 dB Spurious Outputs 60 dBc C N Ratio In Channel 63 dB b Broadband Noise 70 dBc b Output Impedance 75 ohms Output Return Loss 12 dB Video Input Level 1 0 V p p d Frequency Response fv 0 5 MHz to fv 4 2 MHz 1 0 dB P P Video to RMS Hum Ratio 65 dB Video Signal to Noise Ratio NTC 7 Weighted 62 dB Differential Gain...

Page 7: ...K NO 59712B FA1M 50 860 STOCK NO 59711B 12 Video Input F Connector 13 Audio Input RCA Connector 14 RF Output F Connector 1 Stereo Indicator Lit when video and stereo audio are present 2 Audio Video Ratio Adjustment Adjustment of the A V Ratio is permitted from approximately 19 dB full clockwise position to approximately 10 dB full counterclockwise position by rotating the potentiometer 3 Video Adj...

Page 8: ...y will blink continuously during the channel programming process and will not change the output frequency the unit is programmed until the ENT button is depressed b The unit has a special feature that alerts an operator of an inadvertent or desired change to the channel display by flashing the LED readout The LED display will continue to flash for 30 seconds if the ENT button is not depressed and ...

Page 9: ...r is operating the display will flash for 30 seconds and then revert back to the previous mode entry E1 is displayed if the Input VCO is Not Locked E2 is displayed if the Output VCO is Not Locked Correction Suggestions The User should perform the following steps to correct an Error Condition 1 Check that the Channel Display is set to the desired channel reset as appropriate 2 Check that the unit i...

Page 10: ...00 103 2625 102 98 109 2750 109 2750 Cannot lock to comb 99 115 2750 115 2750 ref refer to FCC regs 14 121 2625 121 2625 120 15 127 2625 127 2625 126 16 133 2625 133 2625 132 17 139 2500 139 2625 138 18 145 2500 145 2625 144 19 151 2500 151 2625 150 20 157 2500 157 2625 156 21 163 2500 163 2625 162 22 169 2500 169 2625 168 07 175 2500 175 2625 174 08 181 2500 181 2625 180 09 187 2500 187 2625 186 ...

Page 11: ...Notes ...

Page 12: ...r shorter than the BT limited warranty for Refurbished or Closeout Products All sales of Refurbished or Closeout Products are final To obtain service under this warranty the defective product together with a copy of the sales receipt or other satisfactory proof of purchase and a brief description of the defect must be shipped freight prepaid to Blonder Tongue Laboratories Inc One Jake Brown Road Ol...

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