User's Guide

VCom Inc.
TR700B Manual; ml_tr700B_02 (March 2004)
Approved: C.H.
7
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TRANSMITTER SPECIFICATIONS
IF Input Frequency 36-42 MHz (TR700B)
44.375-50.375 MHz (TR700B-IF1)
RF Output Frequency 710-716 MHz
Linear Output Power +24 dBm at RF port
Output P1dB +27 dBm at RF port
Spectral Mask FCC CFR 47 Part 27.53
Gain 20 ± 2 dB at 23°C
Gain Flatness (Frequency Response) ± 1.0 dB over 710-716 MHz
Gain Stability over Temperature ± 2.0 dB over -30 to +60°C ambient
Phase Noise -87 dBc/Hz @ 10 kHz
Spectral inversion No spectral inversion
IF Level for RF Activation -45 dBm maximum
RF Activation/Mute Response Time <2 microseconds
RECEIVER SPECIFICATIONS
Frequency 740-746 MHz
Gain 24 ± 2 dB at 23°C
Gain Flatness (Frequency Response) ± 1.0 dB over 740-746 MHz
Noise Figure <5 dB typical, 6.0 dB maximum
Transmit-Receive Isolation 88 dB (see IF port spurious specification below)
GENERAL
Frequency Stability ± 20 kHz (-30 to +60°C)
Frequency Stability over time < ±30 kHz over 10 years
RF Connector F female, 75 ohms
IF Connector F female, 75 ohms
Input/Output VSWR 2:1
DC Supply +18 to 28 V, (+24V nominal), +10W
Operating Ambient Temperature -30 to +60°C
Size 6" x 8" x 0.9" (15.24 x 20.32 x 2.29 cm)
Mounting Pole mount, 1” to 1.75” diameter pole
RF PORT SPECIFICATIONS
RF Return Loss Better than 9 dB in transmit and receive RF bands
RF Spurious Emissions FCC CFR 47 Part 27
IF PORT SPECIFICATIONS
IF Return Loss Better than 10 dB over transmit and receive IF bands
IF Spurious Emissions  -50 dBm from 100-860 MHz except 740-746 MHz
 -85 dBm, 740-746 MHz
Specifications subject to change without notice.