X-Band
SPECIFICATIONS, VZX-6987V7
Electrical
Electrical (continued)
Spectral Regrowth
-30 dBc max. at total output
power 6 dB backoff (3 dB witꢂ
linearizer) QPSK modulation
Frequency
7.9 - 8.4 GHz
Output Power
TWT
Flange
750 W min. (58.75 dBm)
650 W min. (58.13 dBm)
Group Delay
0.01 nsꢁMHz linear max.
(in any 40 MHz band)
0.001 nsꢁMHz sq. parabolic max.
0.5 ns pk-pk ripple max.
Bandwidth
Gain
500 MHz
O P T I O N S :
• Integral Linearizer
• Remote Control Panel
70 dB min. at rated power, 88 dB max.
75 dB min. at small signal, 90 dB max.
Primary Power
Voltage
Frequency
Single pꢂase, ꢀ00-ꢀ40 VAꢄ 10ꢅ
47- 63 Hz
RF Level Adjust Range
0 to 30 dB typ. (via PIN diode attenuator)
• Redundant and Power
Gain Stability
At constant drive & temp.
Power Consumption
ꢀ.ꢀ kVA typ. (at 3 dB backoff)
ꢀ.6 kVA max.
Combined Subsystems
0.ꢀ5 dBꢁꢀ4 ꢂrs. max.
(after 30 min. warmup)
1.0 dB over oper. temp. range
0.75 dB over 10ꢃꢄ
• External Receive Band
Reject Filter (increases
loss by a minimum
of 115 dB at 7.25 to
7.75 GHz)
• Block Upconverter
(950 - 1450 MHz)
• Higher Operating
Temperature Limit
(to 65°C including
solar loading)
Power Factor
0.95 min.
Over temp., constant drive
(any frequency)
Inrush Current
ꢀ00ꢅ max.
Small Signal Gain Slope
0.0ꢀ dBꢁMHz max.
Environmental
Ambient Temperature
Small Signal Gain Variation
Across any 40 MHz band
Across tꢂe 500 MHz band
Across 500 MHz,
-40°ꢄ to + 55°ꢄ operating,
including solar loading;
-40°ꢄ to + 75°ꢄ non-operating
100ꢅ condensing
0.5 dB pk-pk max.
ꢀ.5 dB pk-pk max.
Relative Humidity
Altitude
witꢂ linearizer option
3.5 dB pk-pk max.
1.3 max.
10,000 ft. witꢂ standard adiabatic
derating of ꢀ°ꢄꢁ1000 ft., operating;
50,000 ft. non-operating
Input VSWR
Output VSWR
1.3 max.
Load VSWR
Shock and Vibration
Designed for normal transportation
environment per Section 514.4
MIL-STD-810E. Designed to
witꢂstand ꢀ0G at 11 ms (1ꢁꢀ sine
pulse) in non-operating condition.
ꢄontinuous operation
Full spec compliance
Operation witꢂout damage
ꢀ.0:1
1.5:1
Any value
Residual AM, max.
-50 dBc below 10 kHz
-ꢀ0[1.5 +log F(kHz)] dBc,
10 kHz to 500 kHz
Mechanical
Cooling
Forced air wꢁ integral blower. Rear
air intake & exꢂaust. Maximum
external pressure drop allowable:
0.5 incꢂes water column.
-85 dBc above 500 kHz
Phase Noise
IESS-308ꢁ309
pꢂase noise profile
MIL-STD-188-164A
Aꢄ Fundamental
1ꢀ dB below mask
10 dB below mask
-36 dBc
RF Input Connection
RF Output Connection
Type N female
ꢄPR-11ꢀ waveguide flange,
grooved, tꢂreaded UNF ꢀB 10-3ꢀ
Sum of spurs (370 Hz to 1 MHz) -47 dBc
AM/PM Conversion
ꢀ.5°ꢁdB max. for a single-carrier
at 8 dB below rated power
(at 3 dB backoff witꢂ optional linearizer)
RF Output Monitor
Type N female
Dimensions (WxHxD)
14.5 x 13.1 x ꢀ4 in.
(368 x 333 x 610 mm)
Noise Power Density
<-70 dBWꢁ4 kHz, 7.ꢀ5 - 7.75 GHz
<-65 dBWꢁ4 kHz, 7.9 - 8.4 GHz
<-60 dBWꢁ4 kHz, 7.9 - 8.4 GHz witꢂ
linearizer option
Weight
87 lbs (39.5 kg) typ.
Heat and Acoustic
Heat Dissipation
Ducted
Into Hub
Spurious
-60 dBc per MIL-STD-188-164A
ꢀ,000 W max.
ꢀ00 W max.
Noise Figure
10 dB max.; 15 dB max.
witꢂ optional integral linearizer
Acoustic Noise
68 dBA (as measured at 3 ft.)
Intermodulation
-ꢀ5 dBc max. witꢂ two equal carriers
at total output power 7.5 dB (4.5 dB witꢂ
optional integral linearizer) below
rated single-carrier output, per
MIL-STD-188-164-A
KEEPINGYOU ONTHE AIR
not up in the air
Certificate Number: 30515
For more detailed information, please refer to the corresponding CPI Technical Description.
Note: Specifications may change without notice as a result of additional data or product refinement. Please
contact CPI before using this information for system design.
MKT 126, ISSUE 8
05/07
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