
FUNCTIONAL BLOCK DIAGRAM
OUTLINE DRAWING
J2
J3
J4
DRO
VREG
LPF
0.342 [8.69]
0.202 [5.13]
0.418 [10.62]
0.325 [8.26] TYP. APPROX.
0.515 [13.08]
0.116 [2.94]
2.464 [62.60]
1.030 [26.16]
0.600 [15.24]
0.080 [2.03]
0.870 [22.09]
#2–56 UNC-2B X 0.18 [4.57] DP. MIN.
TYP. (4) HOLES, BOTH SIDES (TOTAL 8 HOLES)
0.375 [9.52]
0.846 [21.49]
TYPE "SMA" FEMALE
CONNECTOR (RF OUTPUT)
0.080 [2.03]
0.626 [15.89]
0.0630 [1.60]
X 0.200 [5.08] DP.
(2) HOLES
0.080 [2.03]
1.341 [34.06]
0.499
[12.67]
0.249 [6.31]
0.147 [3.73]
0.080 [2.03]
0.030 [0.77] DIA. GND. PIN
MODULATION 0.030 [0.77] DIA. PIN
DC SUPPLY 0.030 [0.77] DIA. PIN
±0.002
±0.005
-0.000
SPECIFICATIONS
ENVIRONMENTAL CONDITIONS
Operating temperature . . . . . . . . . . . . . . . . 0 to 70°C
Storage temperature . . . . . . . . . . . . . . . . . . -30 to +85°C
PARAMETERS
Model 121733
Model 124083
RF carrier frequency (fixed)
3.8–4.5 GHz
7.6–9 GHz
Frequency stability
±2.5 MHz
Phase noise
< -95 dBc @ 10 kHz
< -75 dBc @ 10 kHz
Transmit power
> 150 mW
> 120 mW
Carrier harmonics
-20 dBc maximum
Pushing
500 kHz maximum, over supply voltage
Pulling
500 kHz maximum, over specified load mismatch
Load mismatch
No degradation for load of 3:1 maximum at any phase
Settling time after power up
10 ms maximum
Output power (into 50
)
22 dBm minimum
21 dBm minimum
Supply voltage
6.5–9.5 V
DC current
500 mA maximum
Modulation type
BPSK
Amplitude imbalance
±0.5 dB maximum
Phase imbalance
±5° maximum
Carrier suppression
20 dB minimum
25 dB minimum
Modulation signal current
±8–±20 mA
Modulation signal (1 dB bandwidth)
DC–50 MHz
Modulation input impedance
50
in series with diodes, 20 pF maximum to ground
50
in series with diodes, 20 pF maximum to ground
Continuous operation
At 25°C, without heatsink
Connector J4 SMA removable
0.015 dia. pin, 50
Connectors J2, J3 and GND
Solder pins
BPSK MODULATORS
FEATURES
Less than 1.4 cubic inches
Biphase modulation to 50 MHz
Ruggedized for military applications
Integral dielectric resonator oscillator
Other frequencies available
GENERAL NOTES:
1. Dimensions shown in brackets [ ] are in millimeters.
2. Tolerance as follows: .xx = ±0.01 [.xx = ±0.25], .xxx = ±0.005 [.xxx = ±0.13]
20