Genesys GDR- COM Series, Руководство по установке, Страница: 17 / 62

GDR-XXXX NAV/COM INSTALLATION MANUAL
CHAPTER 1 – INTRODUCTION
64-000109 Page 17 of 62
9. ELECTRICAL SPECIFICATIONS
Connector pin numbers for these inputs are listed in CHAPTER 3 – SYSTEM DRAWINGS.
A. Power Inputs
Receiver (NORM) 22 to 33 VDC, 1.0 Amps @ 22 VDC
27.5 VDC, 0.8 Amps typical
(EMER) 18.0 VDC, 1.2 Amps typical
Transmit (NORM) 22 to 33 VDC, 6.0 Amps @ 22 VDC
27.5 VDC, 5.7 Amps typical
(EMER) 18.0 VDC, 6 Amps typical
The Equipment shall provide the specified performance when operating on aircraft 28 VDC
power supplies with characteristics and limits as specified in MIL-STD-704F.
B. System Antenna Specifications
COM Ant: 50 Ohm,
3:1 VSWR max., recommended ≤ 2.5:1 max.
Marker Ant: 50 Ohm, 1.5:1 VSWR max.
G/S Ant:
50 Ohm, 5.0:1 VSWR max., recommended ≤ 3.0:1
VSWR
NAV Ant:
50 Ohm, 5.0:1 VSWR max., recommended ≤ 3.0:1
VSWR
C. Antenna Inputs
COM 50 Ohm BNC
Marker Ant 50 Ohm BNC
G/S RX 50 Ohm BNC
NAV RX 50 Ohm BNC
D. Microphone Inputs (DO-214, § 1.5.2)
Impedance: 150 Ohm
Bias: 12 VDC, on MIC HI input
Input voltage range: 0.25 to 2.5 V
RMS
for specified AM modulation
0.27 V
RMS
recommended typical audio panel input level
Input type: Differential, MIC HI to MIC LO
E. Audio Outputs and Levels
Audio Output Range: <2 to 8 Vrms configurable in ~0.03 Volt steps
Output load: 150 to 600 Ohms capable
Output balance: Floating differential or single-ended with negative side grounded
Audio power: Production set 100 mW into 150 Ohms, output voltage must be
reset for other impedances.
Marker audio output: 3.87 ± 0.50 V
RMS
, 100 mW, 150 Ohms
VOR/LOC audio output: 3.87 ± 0.50 V
RMS
, 100 mW, 150 Ohms
VHF COM audio output: 3.87 ± 0.50 V
RMS
, 100 mW, 150 Ohms
UHF COM audio output: 3.87 ± 0.50 V
RMS
, 100 mW, 150 Ohms
Sidetone audio output: 3.87 ± 0.50 V
RMS
, 100 mW, 150 Ohms
Combined Sidetone: Set -6 dB below received RX audio level, see note.