BTM-2A Series
BIPHASEMO
DULATO
R
2 to 2500 MHz / Direct TTL Input / Uses Only +5V Supply / Fast Switching / SMA Connectors
PRINCIPAL SPECIFICATIONS
Model
Number
BTM-2A-250
BTM-2A-500
BTM-2A-1500
BTM-2A-2250
A-Package Outline
Frequency
Range,
MHz
2 – 500
10 – 500
500 – 1000
1000 – 2000
1500 – 2500
Insertion
Loss, dB,
Max. Typ.
3.5
3
4
6
6
2.5
2
3
5
5
Amplitude
Balance, dB,
Max.
Typ.
0.3
0.3
0.5
0.75
1.0
0.10
0.20
0.20
0.25
0.25
Phase
Balance
Max.
Typ.
±4°
±3°
±4°
±5°
±5°
±2°
±1°
±2°
±2°
±2°
Carrier
Suppression,
Typ.
– 40 dBc
– 40 dBc
– 35 dBc
– 30 dBc
– 30 dBc
GENERAL SPECIFICATIONS
Impedance:
RF Input Level:
VSWR:
Switching Speed:
Data Signal Levels:
Power Supply:
Weight, nominal:
Operating Temp:
5
0
Ω
nom.
– 3 dBm max.
2.0:1 max.
5 nS typ.
50% Control to 90% RF
TTL compatible
+5 VDC @ 25 mA
1.5 oz (42 g)
– 55° to +85°C
AVAILABLE OPTIONS
NOTES:
1. Tolerance on 3 place decimals
±
0.020" (0.51 mm), except as noted.
2. Dimensions in inches over mm.
Direct Input (No driver): As BPM series
Integral ECL Driver:
As BEM series
General Notes:
1. The BTM-2A series of Biphase Modulators covers the frequency range of 2 to 2500 MHz and includes
interfacing circuitry so units may be driven directly using a +5V supply.
2. Customized versions are available for special frequency bands matched to your special applications.
3. Most units in this series are available in a variety of alternative packages such as the Meri-Pac™ or flatpack
(see BTF-2A series). Units supplied without integral TTL drivers are available in the BPM-2A series.
4. All units comply with the applicable sections of MIL-M-28837 and may be supplied screened for compliance
with additional specifications for military and space applications requiring the highest reliability.
22Feb96
F further inform
or
ation contact
MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 /
973-575-1300 / FAX 973-575-0531
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