Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
1208 [2008/02/07 17:03]
n5na
1208 [2018/11/01 02:28] (current)
n5na [Mods & Tips]
Line 10: Line 10:
   *Fast, silent RF sensing PIN diode T-R switching   *Fast, silent RF sensing PIN diode T-R switching
  
-===== Specifications ===== 
-  *12 to 15 VDC at 3.0 amps required. 
-  *8 watts typical RF output at 51 MHz. 
-  *Standard 20M transceiver required. 
-  *FM operation transceiver dependent. 
-  *Receive 50-54 MHz. Transmit 50-52 Mhz. 
-  *Input must be 5 watts or less. 
  
 +
 +===== Specifications =====
 +  ***Transmit RF Input:** 5 watts nominal, 14 to 16 MHz, for 50 to 52 MHz output. (May be varied from 0.25 to 10 watts by changing value of R5.)
 +  ***Internal Attenuator:​** up to 8 watts continuous, 10 watts light duty
 +  ***Transmit RF Output:** 8 watts typical, 50 - 52 MHz. (Transmit operation above 52 MHz not recommended.)
 +  ***14 MHz Input/​Output Impedance:​** 50 ohms
 +  ***50 MHz Input/​Output Impedance:​** 50 ohms
 +  ***Local Oscillator:​** 36.000 MHz, crystal-controlled
 +  ***Mixer:** double-balanced diode bridge
 +  ***Receiving Range:** 50 to 54 MHz converted to 14 to 18 MHz
 +  ***Receiving Sensitivity:​** 0.15 uv typical (over-all sensitivity depends on transceiver)
 +  ***14 MHz Feedthrough:​** > -75 dB
 +  ***Image Rejection:​** (~22 MHz)  -60 dB typical
 +  ***HF-6M Antenna Switching:​** manual, rated to 100W (HF)
 +  ***HF Antenna Isolation:​** > -60 dB
 +  ***T-R Switching:​** RF-sensing, solid-state
 +  ***Power Supply Requirement:​** 11 - 14 volts DC, 4 amps
 +  ***DC Current Drain (Receive):​** 170 mA
 +  ***DC Current Requirement (Transmit):​** 3.8 amps
 +  ***Cabinet Dimensions:​** 1-5/​16"​ H x 7-1/4" W x 6-1/8" D
 +  ***Weight:​** 2.5 lbs
  
 ===== Reviews ===== ===== Reviews =====
Line 25: Line 39:
  
 ===== Mods & Tips ===== ===== Mods & Tips =====
-  *[[http://​www3.telus.net/​ve7tk/​1208%20mod.pdf|PC Board Error by VE7TK]]+  *{{ve7tk_1208_mod.pdf|PC Board Error by VE7TK}}
  
 ===== Related Links ===== ===== Related Links =====
-  *[[/​webarchive/​1208/​|Archived Ten-Tec Web Page]]+  *[[this>./​webarchive/​1208/​|Archived Ten-Tec Web Page]]

QR Code
QR Code 1208 (generated for current page)