Technical Data
EXCITERINPUT
Analog audio input configuration Electronically balanced Left & Right From Mixer
Input level -10 ÷ +10 dBu
Input Impedance > 600 ohm
Common mode rejection 50 dB (30 Hz ÷ 15 KHz)
Connectors XLR Female Stereo, EMI suppressed
STEREO GENERATOR
MPX Output configuration 1 output with level control
Composite output level -10 ÷ +12 dBu
Output Impedance 50 ohm
Connector BNC grounded to chassis
Pilot Frequency 19 KHz ± 0.01% Max over temp.
Pilot injection 4 ÷12 % adjustable
Frequency Response (± 0.1 dB) 35 Hz ÷25 KHz
Stereo Separation 64 dB 35 Hz ÷25 KHz (78 dB @ 1 KHz) 2 Chanal Stereo
Mono in Right Chanel (± 0.1 dB) 25 Hz ÷ 15KHz
Crosstalk Sub to Main 40 dB 35 Hz ÷25 KHz (64 dB @ 1 KHz)
Crosstalk Main to Sub 45 dB 35 Hz ÷25 KHz (61 dB @ 1 KHz)
Distortion @ 1 KHz Less than 0.05 %
Signal to noise ratio 96 dB DIN audio.
38 KHz Subcarrier Suppression 80 dB
76 KHz and sideband Suppression 90 dB
Preemphasis 50-75 uSec dip switch not selectable
Pilot tone Sync OUT dip switch selectable
Pilot Reference Output: 1 Vpp square wave
Impedance 600 ohm
Pilot Reference Input: 1 Vpp sin. wave
Impedance 10 Kohm
SCA Input -14 ÷ +6 dBu for 10% modulation
Power requirement 14 VDC, +/- 5% Stabilized
Oscilator
RF Characteristics
Frequency Lock on 93.7MHz, synthesized (PLL)
Modyfied by Sintesa On 100% Modulation, Low 93,62 Mhz – High 93,735 Mhz (Crystall)
Lock By Sintesa in <>60dBc
RF Output Connector: Type N female
RF Output Impedance: 50W.
Frequency Control: Manually settable synthesizer (front pcb)
Frequency Stability: <230Hz/1week, Center frequency, in 0 dB Audio Inputs From Stereo Generator Input Impedance: 600. balanced or 5k. unbalanced Modulation Type: F3E/F8E Direct FM at the carrier frequency Class AB Frequency Deviation: ±75kHz = 89% Variation of Sensitivity for 75 kHz Deviation: Frequency Range 1dB from 90 to 100MHz any Frequency Center Frequency Shift: <250Hz, (referenced to 75kHz mod), in 0 dB Audio Power requirement + 9VDC, With 7809 IC Regulator
1 St Driver
RF Characteristics
Output Power 10 W, with 4 Step RF Transistor
Off Lock Attenuation: >60dBc
RF Input Connector: Type N female
RF Output Connector: Type N female
RF Output Impedance: 50W.
Frequency Stability: <230hz/1week,>60dBc
RF Output Connector: Type N female
RF Output Impedance: 50 W.
Frequency Stability: <230Hz/1week, Center frequency, in 0 dB Audio Inputs RF From 1 St Driver Class A adjutable with 5 W Modulation Type: F3E/F8E Direct FM at the carrier frequency Class C Center Frequency Shift: <250Hz, (referenced to 75kHz mod), in 0 dB Audio Power requirement + 14VDC +/- 5% Regulated
FINAL EXCITER/BOOSTER
RF Characteristics
Output Power 80 W in 175 MHz, With 2SC2782 Singgle RF Transistor
Modyfied to Broadcast Freq. Output Power, Max 220W, 1.7 SWR. Nom. 160W, 1,5 SWR
Off Lock Attenuation: >60dBc
RF Input Connector: Type N female
RF Output Connector: Type N female
RF Output Impedance: 50 W.
Cooler By Heat Zink and Fan, Aprox. 650C Max
No Protection Circuit
Will be dropping to 10% (if samthing trable)
Frequency Stability: <230Hz/1week, Center frequency, in 0 dB Audio Inputs RF From Exciter Class C adjutable with 45 W Modulation Type: F3E/F8E Direct FM at the carrier frequency Class C Center Frequency Shift: <250Hz, (referenced to 75kHz mod), in 0 dB Audio Power requirement Adjustable From 0 – 32 Volt 100% Regulated
RF CABLE
RG 8/Foam/68U. 0,5 Inch
47 Meter’s
Max. Power 550 W, 1:1 SWR
RF Input Connector: Type N Male
RF Output Connector: Type N Male
RF Impedance: 50 W.
ANTENA
Ring O, 5/8 l Ground plane Antena
With metal tube alumunium Singgle horisontal and 4 vertical
Max. Power 500 W, 1:1 SWR, Singgle Bay
RF Input Connector: Type N Female
RF Impedance: 50 W.
Formula
Wahyu PB 2002
GLOBAL TECHNICAL DATA
AUDIO :
- 2 Chanal composit Stereo L+R, Powerd By Home Made Audio Processor
- Frequency Audio Response (± 0.1 dB) 30 Hz ÷15 KHz
- Composite output level -10 ÷ +12 dBu
TRANSMITER :
- Frequency 93.7MHz, synthesized (PLL)
- 100% Modulation, Low 93,62 Mhz – High 93,735 Mhz (Crystall)
- Lock in < 115Hz Modulation, in 97 dB Audio in Stereo, 120 dB in Mono - Frequency Saparation Shift <250Hz, (referenced to 75kHz mod), in -10 dBu Audio - Output Power 180 Watt With 320 Watt REP - Operating Temperature -20/+65C (-4/+149F)
RANGE :
- Tower 35 Meter height from the top of building, 55 Meter from ground
- 2 Bay, Antena With Ring O Or 5/8 l 250, Ground plane Antena
- Radio wave distance 25 Km, With 15 Meter antena receiving hight
- Radio wave distance 8,5 Km, With Common Radio Reaceaver
- Vield Stength 0,75 mW/V With 0.12mW/V dropping in 1St Km
Sintesa 2002
posted by .:Sintesa_Fm:. @ 8:08 AM
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