User's Guide

Enhanced FM Synthesizer Instruction Manual
IM10-OS3AH
29-71.4 MHz - General Information
6
Performance Specifi cations
Type: Narrow band FM, Single loop synthesizer module utilizing low noise VCO
and PLL technology. Compatible with Daniels MT-3 series Transmitter and
Receiver modules.
Frequency Range (Tuning range with no adjustment is shown in [ ] brackets.):
29 MHz-38 MHz [±0.5 MHz] (OST-3H035)
38 MHz -50 MHz [±1.0 MHz] (OST-3H045)
50.4 MHz-71.4 MHz [±1.0 MHz] (OSR-3H061)
Output Power: +5 dBm ±2 dBm into 50Ω
Harmonics: <-30 dBc
Spurious: <-90 dBc
Hum and Noise: -55 dB
Modulation Sensitivity: 3.0 kHz peak deviation (400 mVrms input)
External Reference Input: External reference input signal via SMB connector J1
Input level 0 dBm ±3 dB
Input impedance 50
Input frequency 10.0 MHz or 9.6 MHz (selectable through
digital board jumper JU1)
Power Requirements: Normal Confi guration:
+9.5 Vdc @ 160 mA
Low Current Standby Mode (TCXO enabled):
+9.5 Vdc @ 14 mA
Printed Circuit Board Numbering Convention
To expedite troubleshooting and maintenance procedures, Daniels Electronics Ltd. has adopted
a printed circuit board (PCB) numbering convention in which the last two digits of the circuit board
number represent the circuit board version. All PCB’s manufactured by Daniels Electronics Ltd. are
identifi ed by one of the following numbering conventions:
PCB number 43-912010 indicates circuit board version 1.0
PCB number 50002-02 indicates circuit board version 2 (no decimal version)