User's Guide
Table Of Contents
Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 935 MHz 1-3
1.3 Performance Specifications
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: 29 MHz - 38 MHz [±0.5 MHz]
(OST-3H035)
(Tuning range with no adjustment
38 MHz - 50 MHz [±1.0 MHz]
(OST-3H045)
is shown in [ ] brackets.)
50.4 MHz - 71.4 MHz [±1.0 MHz]
(OSR-3H061)
118 MHz -138 MHz [Full band]
(OST-3A128)
128 MHz - 152.6 MHz [±2.0 MHz]
(OST-3H141, OSR-3H141)
139.4 MHz - 159.4 MHz [Full band]
(OSR-3A149)
150 MHz - 174 MHz [±2.0 MHz]
(OST-3H162, OSR-3H162)
406 MHz - 430 MHz [Full band]
(OST-3H418)
427.4 MHz - 451.4 MHz [Full band]
(OSR-3H440)
450 MHz - 470 MHz [Full band]
(OST-3H460)
928 MHz - 935 MHz [Full band]
(OST-3H932)
Output Power: +5 dBm ±2 dBm into 50Ω
Harmonics: <-30 dBc
Spurious: <-90 dBc
<-70 dBc above 400 MHz
Attack Time: <10 ms (Normal Mode)
<50 ms (Low Current Standby Mode)
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 50Ω
Input frequency 10.0 MHz or 9.6 MHz (selectable through
digital board jumper JU1)
Power Requirements: Normal Configuration:
+9.5 Vdc @ 160 mA for FM and 65 mA for AM
Low Current Standby Mode (TCXO enabled):
+9.5 Vdc @ 14 mA for FM and 4 mA for AM