X-Band
SPECIFICATIONS, VZX-6987A7
Electrical
Electrical (continued)
Frequency
7.9 - 8.4 GHz
Intermodulation
-ꢀ4 dBc max. witꢂ two equal
carriers at total output power 7
dB (3 dB witꢂ optional integral
linearizer) below rated single-
carrier output
Output Power
TWT
Flange
750 W min. (58.75 dBm)
650 W min. (58.13 dBm)
Bandwidth
Gain
500 MHz
O P T I O N S :
Spectral Regrowth
-30 dBc max. at total output
power 3 dB backoff (300 W witꢂ
linearizer) QPSK modulation
75 dB min. at rated power, 88 dB max.
78 dB min. at small signal, 90 dB max.
• Integral Linearizer
• Remote Control Panel
RF Level Adjust Range
0 to 30 dB (via PIN diode attenuator)
Group Delay
0.01 nsꢁMHz linear max.
• Redundant and Power
Combined Subsystems
Gain Stability
At constant drive & temp.
(in any 40 MHz band)
0.001 nsꢁMHz sq. parabolic max.
0.5 ns pk-pk ripple max.
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 90
dB at 7.25 to 7.75 GHz)
Primary Power
Voltage
Frequency
Over temp., constant drive
(any frequency)
Single pꢂase, ꢀ08-ꢀ40 VAꢄ 10ꢅ
47- 63 Hz
Small Signal Gain Slope
0.04 dBꢁMHz max.
Small Signal Gain Variation
Across any 40 MHz band
Across tꢂe 500 MHz band
Across 500 MHz,
Power Consumption
ꢀ.ꢀ kVA typ. (at 3 dB backoff)
ꢀ.7 kVA max.
0.5 dB pk-pk max.
ꢀ.5 dB pk-pk max.
Power Factor
0.95 min.
witꢂ linearizer option
3.5 dB pk-pk max.
1.3:1 max.
Inrush Current
ꢀ00ꢅ max.
Input VSWR
Environmental
Ambient Temperature
Output VSWR
1.3:1 max.
-10°ꢄ to + 50°ꢄ operating
-40°ꢄ to + 70°ꢄ non-operating
Load VSWR
ꢄontinuous operation
Full spec compliance
Operation witꢂout damage
ꢀ.0:1
1.5:1
Any value
Relative Humidity
Altitude
95ꢅ non-condensing
10,000 ft. witꢂ standard adiabatic
derating of ꢀ°ꢄꢁ1000 ft., operating;
50,000 ft. non-operating
Residual AM, max.
-50 dBc below 10 kHz
-ꢀ0[1.5 +log F(kHz)] dBc,
10 kHz to 500 kHz
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.
-85 dBc above 500 kHz
Phase Noise
IESS-308ꢁ309
pꢂase noise profile
Aꢄ fundamentals related
-6 dB
-36 dBc
Mechanical
Sum of spurs (370 Hz to 1 MHz) -47 dBc
Cooling
Forced air wꢁ integral blower. Rear
air intake & exꢂaust. Maximum
external pressure loss allowable:
0.5 incꢂes water column.
AM/PM Conversion
ꢀ.5°ꢁdB max. for a single-carrier
at 8 dB below rated power.
Witꢂ optional integral linearizer,
can be tuned to 1.0 degꢁdB max.
RF Input Connection
RF Output Connection
Type N female
Harmonic Output
-60 dBc at rated power,
ꢄPR-11ꢀ waveguide flange,
grooved, tꢂreaded UNF ꢀB 10-3ꢀ
second and tꢂird ꢂarmonics
Noise and Spurious
<-90 dBWꢁ4 kHz, 7.ꢀ5 - 7.75 GHz
<-75 dBWꢁ4 kHz, in passband
<-65 dBWꢁ4 kHz, in passband
witꢂ linearizer option
RF Output Monitor
Type N female
Dimensions (WxHxD)
19 x 8.75 x ꢀ4 in.
(483 x ꢀꢀꢀ x 610 mm)
<-165 dBWꢁ4 kHz, in passband
witꢂ optional filter
<-155 dBWꢁ4 kHz, in passband
witꢂ botꢂ options
Weight
95 lbs (43 kg) max.
Heat and Acoustic
Heat Dissipation
Acoustic Noise
ꢀ000 Watts max.
Noise Figure
10 dB max.; 15 dB max.
witꢂ optional integral linearizer
68 dBA (as measured at 3 ft.)
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 121, ISSUE 3
08/06
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