Functional Block Diagram - Blonder Tongue Laboratories Inc.

Broadband Specification Guide
Equipment Specifications Library
RMDA-750-30P
The headend launch amplifiers shall be housed in an industry standard 19” EIA rack mountable enclosure. The amplifiers shall employ power doubling hybrid circuitry
for forward path amplification and be UL listed. The amplifiers shall be equal to Blonder Tongue RMDA-750-30P, and shall meet or exceed the following specifications:
a) Forward Passband: 47 to 750 MHz
b) Flatness: ±1.00 dB
c) Gain: 31 dB
d) Manual Gain Control Range: 15 dB
e) Manual Slope Control Range: 10 dB
f) Test Ports:
(1) Input: -20 ±2 dB
(2) Output: -20 ±2 dB
g) Return Loss:
(1) Input: 14 dB Minimum
(2) Output: 14 dB Minimum
h) Impedance: 75 Ω
RMDA-860-30P
The headend launch amplifiers shall be housed in an industry standard 19” EIA rack mountable enclosure. The amplifiers shall employ power doubling hybrid circuitry
for forward path amplification and be UL listed. The amplifiers shall be equal to Blonder Tongue RMDA-860-30P, and shall meet or exceed the following specifications:
a) Forward Passband: 47 to 860 MHz
b) Flatness: ±1.00 dB
c) Gain: 31 dB
d) Manual Gain Control Range: 15 dB
e) Manual Slope Control Range: 10 dB
f) Test Ports:
(1) Input: -20 ±2 dB
(2) Output: -20 ±2 dB
g) Return Loss:
(1) Input: 14 dB Minimum
(2) Output: 14 dB Minimum
h) Impedance: 75 Ω
RMDA-860-43P
The headend launch amplifiers shall be housed in an industry standard 19” EIA rack mountable enclosure. The amplifiers shall employ power doubling hybrid circuitry
for forward path amplification and be UL listed. The amplifiers shall be equal to Blonder Tongue RMDA-860-43P, and shall meet or exceed the following specifications:
a) Forward Passband: 47 to 860 MHz
b) Flatness: ±1.00 dB
c) Gain: 43 dB
d) Manual Gain Control Range: 15 dB
e) Manual Slope Control Range: 10 dB
RMDA-86A-30
i) Noise Figure: 7.0 dB Maximum
j) Hum Modulation: -70 dB
k) Number of Channels: 110
l) Output Level:
(1) Lowest Channel: 36 dBmV
(2) Highest Channel: 44 dBmV
m) Composite Triple Beat Distortion -66 dB
n) Cross Modulation: -67 dB
o) Transformer AC input: 120 VAC, 60 Hz
p) Operating Temperature: -20° C to 60° C
i) Noise Figure: 8.5 dB Maximum
j) Hum Modulation: -70 dB
k) Number of Channels: 129
l) Output Level:
(1) Lowest Channel: 36 dBmV
(2) Highest Channel: 44 dBmV
m) Composite Triple Beat Distortion: -61 dB
n) Cross Modulation: -59 dB
o) Transformer AC input: 120 VAC, 60 Hz
p) Operating Temperature: -20° C to 60° C
The distribution amplifiers shall be housed in an industry standard 19” EIA rack mountable enclosure. The amplifiers shall employ push pull hybrid circuitry for both
forward and return path amplification. The amplifier shall be field selectable for either active or passive reverse path operation. The amplifier shall have optional
plug-in equalizer and attenuator capability for input signal conditioning. The unit shall be powered via an external UL listed 26 VAC power supply. The amplifiers shall
be equal to Blonder Tongue RMDA-86A-30, and shall meet or exceed the following specifications:
a) Forward Passband: 54 to 860 MHz
b) Return Passband: 5 to 40 MHz
c) Flatness: ±1.00 dB (Fwd), ±0.5 dB (Rev)
d) Gain: 32 dB (Fwd), 22 dB (Rev)
e) Manual Gain Control Range:
10 dB (Fwd), 18 dB (Rev)
f) Manual Slope Control Range: 8 dB (Fwd)
g) Impedance: 75 Ω
h) Noise Figure: 8.5 dB Maximum (Fwd), 6.0 dB (Rev)
f) Test Ports:
(1) Input: -20 ±2 dB
(2) Output: -20 ±2 dB
g) Return Loss:
(1) Input: 14 dB Minimum
(2) Output: 14 dB Minimum
i) Hum Modulation: -70 dB
j) Number of Channels (Fwd): 129
k) Output Level (Fwd):
(1) Lowest Channel: 34 dBmV
(2) Highest Channel: 42 dBmV
l) Composite Triple Beat Distortion: -58 dB
m) Cross Modulation: -58 dB
n) Transformer AC input: 120 VAC, 60 Hz
o) Operating Temperature: -20° C to 60° C
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