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1.0 GENERAL
Model
RCI-6900F HP / RCI-6900F TB
Frequency Range
28.245 - 29.655MHz.
Emission Modes
CW/FM/AM/SSB (A1/F3/A3/A3J)
Frequency Control
Phase Lock Loop (PLL) synthesizer.
Frequency Tolerance
±
0.005 %.
Frequency Stability
±
0.001 %.
Operating Temperature Range
-30
°
C to +50
°
C.
Microphone
Dynamic PTT, 500
Ω
Input Voltage
13.8V DC
Current Drain: Transmit (AM full mod.)
RCI-6900F HP < 5A; RCI-6900F TB < 15A.
Current Drain : Receiver (Squelched)
≤
0.25A.
(Max. audio output)
< 0.5A.
Antenna Connector
UHF, SO239.
Dimensions : (RCI-6900F HP)
7 7/8”(W) x 10 3/4” (D) x 2 3/8”(H)
: (RCI-6900F TB)
7 7/8” (W) x 9 1/4” (D) x 3 7/8” (H)
Weight
5 lb. (RCI-6900F HP), 7lb 6 oz (RCI-6900F TB)
1.1 TRANSMITTER
AM/FM/CW ; SSB RF Power Output (RCI-6900FHP)
AM/FM/CW ; SSB RF Power Output (RCI-6900FTB)
10W ; 25W PEP
50W ; 100W PEP
RF Transmit Modes
CW/FM/AM/SSB.
Modulation
High and low level Class B, Amplitude Modulation.
Spurious Emissions
-50 dB.
Carrier Suppression
-35 dB.
Audio Frequency Response
300 to 2500 Hz
Antenna Impedance
50 Ohms.
Output Indicators
Meter shows relative RF output power, receive signal
and SWR. Transmit LED glows red when transmitter
is in operation.
1.2 RECEIVER
Sensitivity For 10dB S/N (AM ; CW/SSB)
< 0.5
µ
V ; < 0.25
µ
V.
Sensitivity For 20dB S/N (FM)
< 0.5
µ
V.
IF Frequency
AM: 10.695 MHz 1st IF, 455 KHz 2nd IF.
Image Rejection
> 50 dB.
Adjacent Channel Selectivity
> -55 dB (AM/FM) ; > -60 dB (CW/SSB)
RF Gain Control
45 dB adjustable for optimum signal reception.
Automatic Gain Control (AGC) Figure Of Merit
100 mV for 10 dB Change in Audio Output.
Squelch
Adjustable; threshold less than 0.5
µ
V.
Noise Blanker
RF type.
Audio Output Power
2.5W @ 10% THD
Audio Frequency Response
300 to 2500 Hz.
Built-in Speaker
8 Ohms, 4 Watts.
External Speaker (Not Supplied)
8 Ohms; 4 Watts.
(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)
RCI-6900F HP
RCI-6900F TB
CHAPTER 2
OPERATION
Summary of Contents for RCI-6900F HP
Page 10: ... 10 ...
Page 11: ... 11 ...
Page 12: ... 12 RCI 6900F HP RCI 6900F TB FREQUENCY COUNTER CIRCUIT DIAGRAM ...
Page 13: ... 13 RCI 6900F HP RCI 6900F TB ECHO BOARD EB 99 CIRCUIT DIAGRAM ...
Page 17: ... 17 Figure 4 2 Receiver test setup ...
Page 18: ... 18 Figure 4 3 Main PCB Adjustment Location RCI 6900F HP RCI 6900F TB CHAPTER 5 MAINTENANCE ...
Page 28: ... 28 ...
Page 31: ... 31 ...
Page 33: ... 33 RCI 6900 HP RCI 6900 TB MAIN PCB REMARK COMPONENT SIDE BLUE ...
Page 34: ... 34 RCI 6900F HP RCI 6900F TB MAIN PCB REMARK SMD COMPONENT SIDE BLUE ...
Page 35: ... 35 RCI 6900 HP RCI 6900 TB MAIN PCB REMARK COPPER SIDE WHITE PART LIST RCI 6900F HP MAIN PCB ...