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.
