The MC1 X 83, MC1 X 123, MC1 X 163, MC1 X 243 and MC1 X 323 MFHF Receiver Multicouplers are designed for use with receiving antennas and communications receivers in the 100 kHz to 32 MHz frequency range. The multicouplers provide a nominal 3 dB amplification of the received signal to compensate for antenna cable losses. The high outputtooutput and outputtoinput isolation multicouplers minimize interaction between receivers and reradiation into the antenna.
The MC1 X 83 provides 8 receiver outputs from one antenna input. From a single antenna input, the MC1 X 123 provides 12 receiver outputs, the MC1 X 163 provides 16 receiver outputs, the MC1 X 243 provides 24 receiver outputs and the MC1 X 323 provides 32 receiver outputs. All models have 50 Ohm input and output impedances.
Each multicoupler uses low noise, wideband, highlinearity amplifiers to drive the RF distribution circuits. The unique circuit design permits operation in the presence of high intensity RF signals while minimizing undesired intermodulation distortion and noise. The multicoupler provides a minimum of 50 dB isolation between outputs and a minimum of 60 dB outputtoinput isolation.
The MC1 X 83, MC1 X 123 and the MC1 X 163 multicouplers are 13/4" high rack mounting units. The MC1 X 243 multicoupler contains two 12 output amplifier assemblies and the MC1 X 323 multicoupler contains two 16 output amplifier assemblies. A 3 dB gain two output amplifier drives the dual amplifier assemblies to provide the 24 output or 32 output capability. The MC1 X 243 and the MC1 X 323 are 31/2" high rack mounting units.
The standard internal filters supplied with the unit reject undesired outofband signals below 2 MHz and above 32 MHz. The 2 MHz high pass filter may be omitted to enable the full 100 kHz to 32 MHz frequency range of the unit. An optional 500 kHz high pass filter is available to enable MFHF operation and to reject LF signals. An optional 1500 kHz high pass filter is available for extended HF operation from 1.5 MHz to 32 MHz. An optional 2 MHz low pass filter is available for dedicated MF requirements. Custom filters are available for restricted bandwidth applications or for single frequency notch requirements.
On special order, the multicoupler is available with two antenna inputs and either 8 outputs for each input (MC2 X 83), 12 outputs for each input (MC2 X 123) or 16 outputs for each input (MC2 X 163). The multicoupler is also available with four antenna inputs and two outputs for each input (MC4 X 23). Consult the factory for optional filter, amplifier gain or configuration requirements.
Each multicoupler continuously monitors the bias conditions of its amplifier stages. The Amplifier Fault LED on the front panel indicates any bias errors. The amplifier assembly and the filter assemblies use Type SMB connectors for all RF signal interfaces facilitating maintenance by replacement of the amplifier or filter assembly.
Input/Output Configurations: 
MC1 X 83:  1 input, 8 outputs  
MC1 X 123:  1 input, 12 outputs  
MC1 X 163:  1 input, 16 outputs  
MC1 X 243:  1 input, 24 outputs  
MC1 X 323: 
1
input, 32 outputs 

Frequency Range: 
100 kHz to 32 MHz  
Characteristic Impedance: 
50 Ohms Unbalanced 

Gain: 
3.0 dB ±1 dB 

Frequency Response: 
±1 dB 

Input/Output VSWR: 
1.5:1 Maximum 

Noise Figure:

MC1 X 83, MC1 X 123 and MC1 X 163: 
7.5 dB Max @ +25° C 

MC1 X 243 and MC1 X 323: 
10.0 dB Max @ +25°
C 

Intermodulation Distortion: 
MC1 X 83, MC1 X 123 and MC1 X 163: Suppression of 2nd and 3rd order intermodulation products 60 dB minimum below two 0 dBm signals (OPIP^{2} = +60 dBm, OPIP^{3} = +30 dBm).
MC1 X 243 and MC1 X 323: Suppression of 2nd and 3rd order intermodulation products 54 dB minimum below two 0 dBm signals (OPIP^{2} = +54 dBm, OPIP^{3} = +27 dBm). 

Output/Output Isolation: 
50 dB Minimum 

Output/Input Isolation: 
60 dB Minimum 

Output 1 dB Compression: 
+10 dBm input signal 

Desensitization: 
Undesired +10 dBm signal at frequency f(2) will reduce a 30 dBm signal at frequency f(1) by not more than 1 dB when the signals are separated in frequency by 10% of frequency f(1). 

Standard Filtering: 
2 MHz high pass filter provides minimum of 57 dB rejection below 1.5 MHz. 32 MHz low pass filter provides minimum of 40 dB rejection above 45 MHz. 

Optional Filtering: 
500 kHz high pass filter provides minimum of 30 dB rejection below 250 kHz. 1.5 MHz high pass filter provides minimum of 57 dB rejection below 1.1 MHz. 2 MHz low pass filter provides minimum of 50 dB rejection above 3 MHz. Notch filter provides nominal 30 dB rejection at customer specified frequency. 

Phase Tracking Between Outputs: 
MC1 X 83, MC1 X 123 and MC1 X 163: ±2° MC1 X 243 and MC1 X 323: ±3° 

Input/Output Connectors: 
Type BNC 

Power Requirements: 
120/240 VAC ±10%,
47/63 Hz Standard MC1 X 323: 150 Watts 

Environmental: 
Temperature,
Operation: 0 to +40° C 

Dimensions: 
MC1 X 83, MC1 X 123 and MC1 X 163:  13/4"
high x 19"
wide x 16" deep (44 mm high x 483 mm wide x 406 mm deep) 

MC1 X 243 and MC1 X 323:  31/2"
high x 19"
wide x 17" deep (89 mm high x 483 mm wide x 432 mm deep) 

Weight: 
MC1 X 83, MC1 X 123 and MC1 X 163: 
12 pounds (5.4 kg) 

MC1 X 243 and MC1 X 323: 
20 pounds (9.1 kg) 

Part Number: (N suffix defines Frequency Range and AC Voltage: see table below)

MC1 X 83: 
D1020N 

MC1 X 123: 
D1021N 

MC1 X 163: 
D1017N 

MC1 X 243: 
D1024N 

MC1 X 323: 
D1023N 

N

Frequency
Range 
AC Voltage 

1 
2 MHz – 32 MHz 
120 VAC 

2 
2 MHz – 32 MHz 
240 VAC 

3 
2 MHz – 32 MHz 
100 VAC 

4 
2 MHz – 32 MHz 
200 VAC 

5 
100 kHz – 32 MHz 
120 VAC 

6 
100 kHz – 32 MHz 
240 VAC 

7 
100 kHz – 32 MHz 
100 VAC 

8 
100 kHz – 32 MHz 
200 VAC 

9  500 kHz – 32 MHz  120 VAC  
10  500 kHz – 32 MHz  240 VAC  
11  500 kHz – 32 MHz  100 VAC  
12  500 kHz – 32 MHz  200 VAC  
13  1.5 MHz – 32 MHz  120 VAC  
14  1.5 MHz – 32 MHz  240 VAC  
15  1.5 MHz – 32 MHz  100 VAC  
16  1.5 MHz – 32 MHz  200 VAC  
Delta Electronics, Inc. 5730 General Washington Drive P. O. Box 11268 Alexandria, VA 22312 
Phone: (703) 3543350 U.S. Toll Free: 18008DELTA8 (18008335828) Fax: (703) 3540216 www.deltaelectronics.com Email: sales@deltaelectronics.com 
HOME  AM/FM/TV Products  HF/VHF/UHF Products 