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Berkeley Gator

Berkeley Gator
Berkeley Gator Berkeley Gator Berkeley Gator Berkeley Gator Berkeley Gator Berkeley Gator Berkeley Gator
Brand: Berkeley Varitronics Systems
Product Code: Berkeley Gator
Availability: 1
Condition: Seller Refurbished
Condition: Seller Refurbished
Price: $250.00
Description Reviews (0)
Berkeley Varitronics Systems Gator Class A Stimulus Transmitter 850-870 MHz 45 Watt Class A
Display: 240 X 64 pixel graphic supertwist LCD (VF backlit) Stability less than 1.5 PPM for first year, + for 1 PPM for aging
Output Power: Continuous adjustable power output + 1.0 dB over > 32 dB range (below 1 GHz)
Power Adjustments: Continuously adjustable via rotary knob or direct keypad entry in 1 dBm increments over > 20 dB on models above 1 GHz
Spurious Output: > 55 dBc (decibels below carrier level)
Harmonics Output: > 55 dBc (decibels below carrier level)
Power: 110-240 VAC 50-60 Hz, auto-switching, UL and CSA approved 10 and 20 watt models may also be powered from +12VDC
Remote Control: Via serial RS-232, internal modem or DTMF through telco
Output Power Monitoring: Forward and reverse power monitored via internal power meters. Output is regulated to < +1.0 dB of setting at up to a 6:1 VSWR
Power Output: 20 watts into 50 ohms (GSM cellular model)
PA Class: Linear, Class A amplifier
Output Adjustments: + 0.1 dB steps over 20 dB range to full output
Power Regulation: Internal forward and reverse power meters with built-in circulator
Internal Protection: Infinite VSWR (shuts off at > 6:1 SWR)and temperature protected
Tuning Range: 935.2-959.8 MHz
Tuning Increments: + 50/200 kHz steps via keypad or rotary control
Stability: + 2.0 PPM from 0 deg to 50 deg C
Type of Modulation: GMSK internal data modulator
Data Rate: 270,833 symbols/second
Baseband Filter: Gauss, B x T=0.3
Remote Control: Three ways, modem, DTMF or RS-232-C via rear panel
Display: Graphic 240 x 64 EL backlighted
Power Input: 110, 220 VAC, 50-60 Hz or 23-27 VDC at 6 Amps
Frequency Stability: + 2 ppm from 10 to 50 C
Frequency Steps: + 200 kHz
Frequency Range: Cellular or PCS models
Data Rate: effective rate 271 kbps (per GSM specs)
Modulation: 0.3 GMSK (per GSM specs)
Frame Length: 1250 bits
Serial Port: RS-232C
Format: 8 data bits
Parity: none
Start/Stop bits: one
CW: Unmodulated CW signal. Note, GSM data modulation cannot be turned on from the main Gator screen.
External: Transmitter will modulate with user-supplied and filtered I and Q data from an external source. This is via BNC connectors located on the top panel of the Gator.
GSM RND: Gator outputs GSM modulation with internally-generated and random PN (pseudo-random) data.
GSM BUFF: GSM modulation with user-downloadable BCCH (base station control channel) stored data, downloaded by the user with PC loader software. This is via the RS-232C jack in rear. User must supply the base station data to be output, gator will repeat this transmission indefinitely.
*Needs calibration*
Berkeley Gator
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Tags: Berkeley Gator, Berkeley Varitronics Systems Berkeley Gator, Berkeley Varitronics Systems, Berkeley, Varitronics, Systems, Gator, Class, A, Stimulus, Transmitter, 850-870, MHz, 45, Watt, Class, A TECH, SPECS- Display-, 240, X, 64, pixel, graphic, supertwist, LCD, (VF, backlit), Stability, less, than, 1.5, PPM, for, first, year, , +, for, 1, PPM, for, aging Output, Power-, Continuous, adjustable, power, output, +, 1.0, dB, over, >, 32, dB, range, (below, 1, GHz) Power, Adjustments-, Continuously, adjustable, via, rotary, knob, or, direct, keypad, entry, in, 1, dBm, increments, over, >, 20, dB, on, models, above, 1, GHz Spurious, Output-, >, 55, dBc, (decibels, below, carrier, level) Harmonics, Output-, >, 55, dBc, (decibels, below, carrier, level) Power-, 110-240, VAC, 50-60, Hz, , auto-switching, , UL, and, CSA, approved, 10, and, 20, watt, models, may, also, be, powered, from, +12VDC Remote, Control-, Via, serial, RS-232, , internal, modem, or, DTMF, through, telco Output, Power, Monitoring-, Forward, and, reverse, power, monitored, via, internal, power, meters., Output, is, regulated, to, <, +1.0, dB, of, setting, at, up, to, a, 6-1, VSWR GSM, GATOR-, Power, Output-, 20, watts, into, 50, ohms, (GSM, cellular, model) PA, Class-, Linear, , Class, A, amplifier Output, Adjustments-, +, 0.1, dB, steps, over, 20, dB, range, to, full, output Power, Regulation-, Internal, forward, and, reverse, power, meters, with, built-in, circulator Internal, Protection-, Infinite, VSWR, (shuts, off, at, >, 6-1, SWR)and, temperature, protected Tuning, Range-, 935.2-959.8, MHz Tuning, Increments-, +, 50/200, kHz, steps, via, keypad, or, rotary, control Stability-, +, 2.0, PPM, from, 0, deg, to, 50, deg, C Type, of, Modulation-, GMSK, internal, data, modulator Data, Rate-, 270, 833, symbols/second Baseband, Filter-, Gauss, , B, x, T=0.3 Remote, Control-, Three, ways, , modem, , DTMF, or, RS-232-C, via, rear, panel Display-, Graphic, 240, x, 64, EL, backlighted Power, Input-, 110, , 220, VAC, , 50-60, Hz, or, 23-27, VDC, at, 6, Amps RF, PERFORMANCE-, Frequency, Stability-, +, 2, ppm, from, 10, to, 50, C Frequency, Steps-, +, 200, kHz Frequency, Range-, Cellular, or, PCS, models DIGITAL, SPECIFICATIONS-, Data, Rate-, effective, rate, 271, kbps, (per, GSM, specs) Modulation-, 0.3, GMSK, (per, GSM, specs) Frame, Length-, 1250, bits HOST, PC, SERIAL, INTERFACE-, Serial, Port-, RS-232C Format-, 8, data, bits Parity-, none Start/Stop, bits-, one MODULATION, SCHEMES, -, CW-, Unmodulated, CW, signal., Note, , GSM, data, modulation, cannot, be, turned, on, from, the, main, Gator, screen. External-, Transmitter, will, modulate, with, user-supplied, and, filtered, I, and, Q, data, from, an, external, source., This, is, via, BNC, connectors, located, on, the, top, panel, of, the, Gator. GSM, RND-, Gator, outputs, GSM, modulation, with, internally-generated, and, random, PN, (pseudo-random), data. GSM, BUFF-, GSM, modulation, with, user-downloadable, BCCH, (base, station, control, channel), stored, data, , downloaded, by, the, user, with, PC, loader, software., This, is, via, the, RS-232C, jack, in, rear., User, must, supply, the, base, station, data, to, be, output, , gator, will, repeat, this, transmission, indefinitely. *Needs, calibration* Berkeley, Gator